51315713 has 16 divisors (see below), whose sum is σ = 55598400. Its totient is φ = 47211840.

The previous prime is 51315683. The next prime is 51315721. The reversal of 51315713 is 31751315.

It is a cyclic number.

It is not a de Polignac number, because 51315713 - 2¹⁴ = 51299329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51315743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131723 + ... + 132111.

It is an arithmetic number, because the mean of its divisors is an integer number (3474900).

Almost surely, 2^51315713 is an apocalyptic number.

51315713 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51315713 is a deficient number, since it is larger than the sum of its proper divisors (4282687).

51315713 is a wasteful number, since it uses less digits than its factorization.

51315713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592.

The product of its digits is 1575, while the sum is 26.

The square root of 51315713 is about 7163.4986563829. The cubic root of 51315713 is about 371.6066317218.

The spelling of 51315713 in words is "fifty-one million, three hundred fifteen thousand, seven hundred thirteen".