656253713 has 2 divisors, whose sum is σ = 656253714. Its totient is φ = 656253712.

The previous prime is 656253683. The next prime is 656253727. The reversal of 656253713 is 317352656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613651984 + 42601729 = 24772^2 + 6527^2 .

It is a cyclic number.

It is not a de Polignac number, because 656253713 - 2⁶ = 656253649 is a prime.

It is not a weakly prime, because it can be changed into another prime (656253313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328126856 + 328126857.

It is an arithmetic number, because the mean of its divisors is an integer number (328126857).

Almost surely, 2^656253713 is an apocalyptic number.

It is an amenable number.

656253713 is a deficient number, since it is larger than the sum of its proper divisors (1).

656253713 is an equidigital number, since it uses as much as digits as its factorization.

656253713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 656253713 is about 25617.4493851359. The cubic root of 656253713 is about 869.0083001375.

The spelling of 656253713 in words is "six hundred fifty-six million, two hundred fifty-three thousand, seven hundred thirteen".