51725713 has 16 divisors (see below), whose sum is σ = 59996160. Its totient is φ = 44165376.

The previous prime is 51725711. The next prime is 51725749. The reversal of 51725713 is 31752715.

It is a cyclic number.

It is not a de Polignac number, because 51725713 - 2¹ = 51725711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51725711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11056 + ... + 15022.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2^51725713 is an apocalyptic number.

It is an amenable number.

51725713 is a deficient number, since it is larger than the sum of its proper divisors (8270447).

51725713 is a wasteful number, since it uses less digits than its factorization.

51725713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056.

The product of its digits is 7350, while the sum is 31.

The square root of 51725713 is about 7192.0590236733. The cubic root of 51725713 is about 372.5936896297.

The spelling of 51725713 in words is "fifty-one million, seven hundred twenty-five thousand, seven hundred thirteen".