525987464 has 16 divisors (see below), whose sum is σ = 986533020. Its totient is φ = 262912000.

The previous prime is 525987461. The next prime is 525987487. The reversal of 525987464 is 464789525.

It can be written as a sum of positive squares in 2 ways, for example, as 524868100 + 1119364 = 22910^2 + 1058^2 .

It is not an unprimeable number, because it can be changed into a prime (525987461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23792 + ... + 40224.

Almost surely, 2^525987464 is an apocalyptic number.

It is an amenable number.

525987464 is a deficient number, since it is larger than the sum of its proper divisors (460545556).

525987464 is a wasteful number, since it uses less digits than its factorization.

525987464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20440 (or 20436 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The square root of 525987464 is about 22934.4165829436. The cubic root of 525987464 is about 807.2197848759.

The spelling of 525987464 in words is "five hundred twenty-five million, nine hundred eighty-seven thousand, four hundred sixty-four".