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4725325081 = 53212972
BaseRepresentation
bin1000110011010011…
…01011110100011001
3110012022112101102001
410121221223310121
534134140400311
62100520041001
7225045412651
oct43151536431
913168471361
104725325081
112005360744
12aba603161
135a3c89c59
1432b801361
151c9c9b4c1
hex119a6bd19

4725325081 has 9 divisors (see below), whose sum is σ = 4819880541. Its totient is φ = 4632593472.

The previous prime is 4725325079. The next prime is 4725325127. The reversal of 4725325081 is 1805235274.

The square root of 4725325081 is 68741.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3165075081 + 1560250000 = 56259^2 + 39500^2 .

It is not a de Polignac number, because 4725325081 - 21 = 4725325079 is a prime.

It is a super-2 number, since 2×47253250812 = 44657394242255313122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4725325081.

It is not an unprimeable number, because it can be changed into a prime (4725325001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3642625 + ... + 3643921.

Almost surely, 24725325081 is an apocalyptic number.

4725325081 is the 68741-st square number.

4725325081 is the 34371-st centered octagonal number.

It is an amenable number.

4725325081 is a deficient number, since it is larger than the sum of its proper divisors (94555460).

4725325081 is an frugal number, since it uses more digits than its factorization.

4725325081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The cubic root of 4725325081 is about 1678.0718952576.

The spelling of 4725325081 in words is "four billion, seven hundred twenty-five million, three hundred twenty-five thousand, eighty-one".

Divisors: 1 53 1297 2809 68741 1682209 3643273 89157077 4725325081