525113761 has 4 divisors (see below), whose sum is σ = 528015124. Its totient is φ = 522212400.

The previous prime is 525113753. The next prime is 525113779. The reversal of 525113761 is 167311525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63680400 + 461433361 = 7980^2 + 21481^2 .

It is a cyclic number.

It is not a de Polignac number, because 525113761 - 2³ = 525113753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525113861) 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, 1450410 + ... + 1450771.

It is an arithmetic number, because the mean of its divisors is an integer number (132003781).

Almost surely, 2^525113761 is an apocalyptic number.

It is an amenable number.

525113761 is a deficient number, since it is larger than the sum of its proper divisors (2901363).

525113761 is a wasteful number, since it uses less digits than its factorization.

525113761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901362.

The product of its digits is 6300, while the sum is 31.

The square root of 525113761 is about 22915.3608088548. The cubic root of 525113761 is about 806.7725871394.

The spelling of 525113761 in words is "five hundred twenty-five million, one hundred thirteen thousand, seven hundred sixty-one".