870525424 has 20 divisors (see below), whose sum is σ = 1718468136. Its totient is φ = 427049792.

The previous prime is 870525421. The next prime is 870525457. The reversal of 870525424 is 424525078.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870525421) 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, 512434 + ... + 514129.

Almost surely, 2^870525424 is an apocalyptic number.

It is an amenable number.

870525424 is a deficient number, since it is larger than the sum of its proper divisors (847942712).

870525424 is a wasteful number, since it uses less digits than its factorization.

870525424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026624 (or 1026618 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 870525424 is about 29504.6678340903. The cubic root of 870525424 is about 954.8324126860.

The spelling of 870525424 in words is "eight hundred seventy million, five hundred twenty-five thousand, four hundred twenty-four".