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525112201 = 1730888953
BaseRepresentation
bin11111010011001…
…001001110001001
31100121002110112001
4133103021032021
52033412042301
6124034551001
716004244235
oct3723111611
91317073461
10525112201
1124a459629
12127a38461
1384a383a3
144da515c5
1531178c01
hex1f4c9389

525112201 has 4 divisors (see below), whose sum is σ = 556001172. Its totient is φ = 494223232.

The previous prime is 525112183. The next prime is 525112219. The reversal of 525112201 is 102211525.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (525112183) and next prime (525112219).

It can be written as a sum of positive squares in 2 ways, for example, as 348195600 + 176916601 = 18660^2 + 13301^2 .

It is a cyclic number.

It is not a de Polignac number, because 525112201 - 211 = 525110153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525112261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15444460 + ... + 15444493.

It is an arithmetic number, because the mean of its divisors is an integer number (139000293).

Almost surely, 2525112201 is an apocalyptic number.

It is an amenable number.

525112201 is a deficient number, since it is larger than the sum of its proper divisors (30888971).

525112201 is a wasteful number, since it uses less digits than its factorization.

525112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30888970.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 525112201 is about 22915.3267705263. The cubic root of 525112201 is about 806.7717882227.

Adding to 525112201 its reverse (102211525), we get a palindrome (627323726).

The spelling of 525112201 in words is "five hundred twenty-five million, one hundred twelve thousand, two hundred one".

Divisors: 1 17 30888953 525112201