872955225 has 60 divisors (see below), whose sum is σ = 1687409856. Its totient is φ = 445309920.

The previous prime is 872955211. The next prime is 872955359. The reversal of 872955225 is 522559278.

872955225 is a `hidden beast` number, since 8 + 72 + 9 + 552 + 25 = 666.

It is not a de Polignac number, because 872955225 - 2⁸ = 872954969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37204 + ... + 55946.

Almost surely, 2^872955225 is an apocalyptic number.

It is an amenable number.

872955225 is a deficient number, since it is larger than the sum of its proper divisors (814454631).

872955225 is a wasteful number, since it uses less digits than its factorization.

872955225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18788 (or 18774 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 872955225 is about 29545.8156935970. The cubic root of 872955225 is about 955.7199600069.

The spelling of 872955225 in words is "eight hundred seventy-two million, nine hundred fifty-five thousand, two hundred twenty-five".