525430664 has 16 divisors (see below), whose sum is σ = 1074744720. Its totient is φ = 238832080.

The previous prime is 525430657. The next prime is 525430681. The reversal of 525430664 is 466034525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2985314 + ... + 2985489.

It is an arithmetic number, because the mean of its divisors is an integer number (67171545).

Almost surely, 2^525430664 is an apocalyptic number.

It is an amenable number.

525430664 is an abundant number, since it is smaller than the sum of its proper divisors (549314056).

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

525430664 is a wasteful number, since it uses less digits than its factorization.

525430664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970820 (or 5970816 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 525430664 is about 22922.2744072223. The cubic root of 525430664 is about 806.9348486390.

The spelling of 525430664 in words is "five hundred twenty-five million, four hundred thirty thousand, six hundred sixty-four".