842195625 has 20 divisors (see below), whose sum is σ = 1403213328. Its totient is φ = 449170000.

The previous prime is 842195621. The next prime is 842195633. The reversal of 842195625 is 526591248.

It is not a de Polignac number, because 842195625 - 2² = 842195621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842195621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 222711 + ... + 226460.

Almost surely, 2^842195625 is an apocalyptic number.

It is an amenable number.

842195625 is a deficient number, since it is larger than the sum of its proper divisors (561017703).

842195625 is an equidigital number, since it uses as much as digits as its factorization.

842195625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449194 (or 449179 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 842195625 is about 29020.6069026821. The cubic root of 842195625 is about 944.3601670921.

The spelling of 842195625 in words is "eight hundred forty-two million, one hundred ninety-five thousand, six hundred twenty-five".