525568840 has 16 divisors (see below), whose sum is σ = 1182529980. Its totient is φ = 210227520.

The previous prime is 525568819. The next prime is 525568843. The reversal of 525568840 is 48865525.

It can be written as a sum of positive squares in 2 ways, for example, as 485144676 + 40424164 = 22026^2 + 6358^2 .

It is not an unprimeable number, because it can be changed into a prime (525568843) 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, 6569571 + ... + 6569650.

Almost surely, 2^525568840 is an apocalyptic number.

It is an amenable number.

525568840 is an abundant number, since it is smaller than the sum of its proper divisors (656961140).

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

525568840 is a wasteful number, since it uses less digits than its factorization.

525568840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13139232 (or 13139228 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The square root of 525568840 is about 22925.2882206528. The cubic root of 525568840 is about 807.0055774492.

The spelling of 525568840 in words is "five hundred twenty-five million, five hundred sixty-eight thousand, eight hundred forty".