79631325 has 18 divisors (see below), whose sum is σ = 142628954. Its totient is φ = 42469920.

The previous prime is 79631323. The next prime is 79631327. The reversal of 79631325 is 52313697.

It is an interprime number because it is at equal distance from previous prime (79631323) and next prime (79631327).

It can be written as a sum of positive squares in 3 ways, for example, as 29241 + 79602084 = 171^2 + 8922^2 .

It is not a de Polignac number, because 79631325 - 2¹ = 79631323 is a prime.

It is a super-2 number, since 2×79631325² = 12682295842511250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 79631325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79631323) 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 17 ways as a sum of consecutive naturals, for example, 176734 + ... + 177183.

Almost surely, 2^79631325 is an apocalyptic number.

79631325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79631325 is a deficient number, since it is larger than the sum of its proper divisors (62997629).

79631325 is a wasteful number, since it uses less digits than its factorization.

79631325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353933 (or 353925 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 79631325 is about 8923.6385516223. The cubic root of 79631325 is about 430.2240134378.

The spelling of 79631325 in words is "seventy-nine million, six hundred thirty-one thousand, three hundred twenty-five".