79515245 has 16 divisors (see below), whose sum is σ = 99912960. Its totient is φ = 60669504.

The previous prime is 79515229. The next prime is 79515253. The reversal of 79515245 is 54251597.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 79515245 - 2⁴ = 79515229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79515199 and 79515208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8732 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (6244560).

Almost surely, 2^79515245 is an apocalyptic number.

It is an amenable number.

79515245 is a deficient number, since it is larger than the sum of its proper divisors (20397715).

79515245 is a wasteful number, since it uses less digits than its factorization.

79515245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724.

The product of its digits is 63000, while the sum is 38.

The square root of 79515245 is about 8917.1321062324. The cubic root of 79515245 is about 430.0148633766.

The spelling of 79515245 in words is "seventy-nine million, five hundred fifteen thousand, two hundred forty-five".