870525420 has 24 divisors (see below), whose sum is σ = 2437471344. Its totient is φ = 232140096.

The previous prime is 870525389. The next prime is 870525421. The reversal of 870525420 is 24525078.

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 7 ways as a sum of consecutive naturals, for example, 7254319 + ... + 7254438.

It is an arithmetic number, because the mean of its divisors is an integer number (101561306).

Almost surely, 2^870525420 is an apocalyptic number.

It is an amenable number.

870525420 is an abundant number, since it is smaller than the sum of its proper divisors (1566945924).

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

870525420 is a wasteful number, since it uses less digits than its factorization.

870525420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14508769 (or 14508767 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 870525420 is about 29504.6677663044. The cubic root of 870525420 is about 954.8324112235.

The spelling of 870525420 in words is "eight hundred seventy million, five hundred twenty-five thousand, four hundred twenty".