852170625 has 120 divisors (see below), whose sum is σ = 1655670016. Its totient is φ = 437400000.

The previous prime is 852170621. The next prime is 852170663. The reversal of 852170625 is 526071258.

It is a happy number.

852170625 is a `hidden beast` number, since 8 + 5 + 21 + 7 + 0 + 625 = 666.

It is not a de Polignac number, because 852170625 - 2² = 852170621 is a prime.

It is a super-2 number, since 2×852170625² = 1452389548225781250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852170625.

It is not an unprimeable number, because it can be changed into a prime (852170621) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4708035 + ... + 4708215.

Almost surely, 2^852170625 is an apocalyptic number.

It is an amenable number.

852170625 is a deficient number, since it is larger than the sum of its proper divisors (803499391).

852170625 is an equidigital number, since it uses as much as digits as its factorization.

852170625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 852170625 is about 29191.9616504270. The cubic root of 852170625 is about 948.0738906514.

The spelling of 852170625 in words is "eight hundred fifty-two million, one hundred seventy thousand, six hundred twenty-five".