79824925 has 6 divisors (see below), whose sum is σ = 98982938. Its totient is φ = 63859920.

The previous prime is 79824917. The next prime is 79824929. The reversal of 79824925 is 52942897.

It can be written as a sum of positive squares in 3 ways, for example, as 6859161 + 72965764 = 2619^2 + 8542^2 .

It is not a de Polignac number, because 79824925 - 2³ = 79824917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79824929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1596474 + ... + 1596523.

Almost surely, 2^79824925 is an apocalyptic number.

It is an amenable number.

79824925 is a deficient number, since it is larger than the sum of its proper divisors (19158013).

79824925 is a wasteful number, since it uses less digits than its factorization.

79824925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193007 (or 3193002 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 79824925 is about 8934.4795595491. The cubic root of 79824925 is about 430.5723853906.

The spelling of 79824925 in words is "seventy-nine million, eight hundred twenty-four thousand, nine hundred twenty-five".