525640852 has 24 divisors (see below), whose sum is σ = 1056313440. Its totient is φ = 226352160.

The previous prime is 525640849. The next prime is 525640883. The reversal of 525640852 is 258046525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313543 + ... + 315214.

It is an arithmetic number, because the mean of its divisors is an integer number (44013060).

Almost surely, 2^525640852 is an apocalyptic number.

It is an amenable number.

525640852 is an abundant number, since it is smaller than the sum of its proper divisors (530672588).

525640852 is a wasteful number, since it uses less digits than its factorization.

525640852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628791 (or 628789 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 525640852 is about 22926.8587468933. The cubic root of 525640852 is about 807.0424336624.

The spelling of 525640852 in words is "five hundred twenty-five million, six hundred forty thousand, eight hundred fifty-two".