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25335005 = 522512
BaseRepresentation
bin110000010100…
…1010011011101
31202200011002112
41200221103131
522441210010
62303003405
7425225663
oct140512335
952604075
1025335005
1113334623
128599565
135330837
143516c33
152356a05
hex18294dd

25335005 has 6 divisors (see below), whose sum is σ = 30415518. Its totient is φ = 20259000.

The previous prime is 25334971. The next prime is 25335017. The reversal of 25335005 is 50053352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20268004 + 5067001 = 4502^2 + 2251^2 .

It is not a de Polignac number, because 25335005 - 220 = 24286429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10130 + ... + 12380.

It is an arithmetic number, because the mean of its divisors is an integer number (5069253).

Almost surely, 225335005 is an apocalyptic number.

It is an amenable number.

25335005 is a deficient number, since it is larger than the sum of its proper divisors (5080513).

25335005 is an frugal number, since it uses more digits than its factorization.

25335005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 25335005 is about 5033.3890173520. The cubic root of 25335005 is about 293.7020637034.

Adding to 25335005 its reverse (50053352), we get a palindrome (75388357).

The spelling of 25335005 in words is "twenty-five million, three hundred thirty-five thousand, five".

Divisors: 1 5 2251 11255 5067001 25335005