79258013 has 4 divisors (see below), whose sum is σ = 79863168. Its totient is φ = 78652860.

The previous prime is 79258007. The next prime is 79258057. The reversal of 79258013 is 31085297.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79258013 - 2²⁰ = 78209437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79258513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302381 + ... + 302642.

It is an arithmetic number, because the mean of its divisors is an integer number (19965792).

Almost surely, 2^79258013 is an apocalyptic number.

It is an amenable number.

79258013 is a deficient number, since it is larger than the sum of its proper divisors (605155).

79258013 is a wasteful number, since it uses less digits than its factorization.

79258013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605154.

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

The square root of 79258013 is about 8902.6969509245. The cubic root of 79258013 is about 429.5506627630.

The spelling of 79258013 in words is "seventy-nine million, two hundred fifty-eight thousand, thirteen".