872359925 has 6 divisors (see below), whose sum is σ = 1081726338. Its totient is φ = 697887920.

The previous prime is 872359907. The next prime is 872359937. The reversal of 872359925 is 529953278.

It can be written as a sum of positive squares in 3 ways, for example, as 7941124 + 864418801 = 2818^2 + 29401^2 .

It is not a de Polignac number, because 872359925 - 2¹⁸ = 872097781 is a prime.

It is a super-2 number, since 2×872359925² = 1522023677492011250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17447174 + ... + 17447223.

It is an arithmetic number, because the mean of its divisors is an integer number (180287723).

Almost surely, 2^872359925 is an apocalyptic number.

It is an amenable number.

872359925 is a deficient number, since it is larger than the sum of its proper divisors (209366413).

872359925 is a wasteful number, since it uses less digits than its factorization.

872359925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34894407 (or 34894402 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 872359925 is about 29535.7397909719. The cubic root of 872359925 is about 955.5026638417.

The spelling of 872359925 in words is "eight hundred seventy-two million, three hundred fifty-nine thousand, nine hundred twenty-five".