870525425 has 72 divisors (see below), whose sum is σ = 1385328000. Its totient is φ = 542018400.

The previous prime is 870525421. The next prime is 870525457. The reversal of 870525425 is 524525078.

It is not a de Polignac number, because 870525425 - 2² = 870525421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870525421) 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 71 ways as a sum of consecutive naturals, for example, 1037156 + ... + 1037994.

Almost surely, 2^870525425 is an apocalyptic number.

It is an amenable number.

870525425 is a deficient number, since it is larger than the sum of its proper divisors (514802575).

870525425 is a wasteful number, since it uses less digits than its factorization.

870525425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 870525425 is about 29504.6678510367. The cubic root of 870525425 is about 954.8324130516.

The spelling of 870525425 in words is "eight hundred seventy million, five hundred twenty-five thousand, four hundred twenty-five".