79318025 has 6 divisors (see below), whose sum is σ = 98354382. Its totient is φ = 63454400.

The previous prime is 79318021. The next prime is 79318033. The reversal of 79318025 is 52081397.

It can be written as a sum of positive squares in 3 ways, for example, as 1507984 + 77810041 = 1228^2 + 8821^2 .

It is not a de Polignac number, because 79318025 - 2² = 79318021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79318021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1586336 + ... + 1586385.

It is an arithmetic number, because the mean of its divisors is an integer number (16392397).

Almost surely, 2^79318025 is an apocalyptic number.

It is an amenable number.

79318025 is a deficient number, since it is larger than the sum of its proper divisors (19036357).

79318025 is a wasteful number, since it uses less digits than its factorization.

79318025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172731 (or 3172726 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 79318025 is about 8906.0667525008. The cubic root of 79318025 is about 429.6590500833.

The spelling of 79318025 in words is "seventy-nine million, three hundred eighteen thousand, twenty-five".