525729612 has 12 divisors (see below), whose sum is σ = 1226702456. Its totient is φ = 175243200.

The previous prime is 525729587. The next prime is 525729619. The reversal of 525729612 is 216927525.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (525729619) 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, 21905389 + ... + 21905412.

Almost surely, 2^525729612 is an apocalyptic number.

It is an amenable number.

525729612 is an abundant number, since it is smaller than the sum of its proper divisors (700972844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525729612 is a wasteful number, since it uses less digits than its factorization.

525729612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43810808 (or 43810806 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 525729612 is about 22928.7943860989. The cubic root of 525729612 is about 807.0878569805.

The spelling of 525729612 in words is "five hundred twenty-five million, seven hundred twenty-nine thousand, six hundred twelve".