525868720 has 40 divisors (see below), whose sum is σ = 1316696976. Its totient is φ = 194166528.

The previous prime is 525868709. The next prime is 525868723. The reversal of 525868720 is 27868525.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (525868723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251782 + ... + 253861.

Almost surely, 2^525868720 is an apocalyptic number.

It is an amenable number.

525868720 is an abundant number, since it is smaller than the sum of its proper divisors (790828256).

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

525868720 is a wasteful number, since it uses less digits than its factorization.

525868720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505669 (or 505663 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 525868720 is about 22931.8276637515. The cubic root of 525868720 is about 807.1590358235.

The spelling of 525868720 in words is "five hundred twenty-five million, eight hundred sixty-eight thousand, seven hundred twenty".