79219025 has 12 divisors (see below), whose sum is σ = 98421900. Its totient is φ = 63252480.

The previous prime is 79219003. The next prime is 79219033. The reversal of 79219025 is 52091297.

It can be written as a sum of positive squares in 6 ways, for example, as 18113536 + 61105489 = 4256^2 + 7817^2 .

It is not a de Polignac number, because 79219025 - 2¹⁰ = 79218001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11441 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (8201825).

Almost surely, 2^79219025 is an apocalyptic number.

It is an amenable number.

79219025 is a deficient number, since it is larger than the sum of its proper divisors (19202875).

79219025 is a wasteful number, since it uses less digits than its factorization.

79219025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148 (or 6143 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 79219025 is about 8900.5070080305. The cubic root of 79219025 is about 429.4802174438.

It can be divided in two parts, 7921 and 9025, that multiplied together give a square (71487025 = 8455²).

The spelling of 79219025 in words is "seventy-nine million, two hundred nineteen thousand, twenty-five".