5312567657 has 2 divisors, whose sum is σ = 5312567658. Its totient is φ = 5312567656.

The previous prime is 5312567641. The next prime is 5312567717. The reversal of 5312567657 is 7567652135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5309891161 + 2676496 = 72869^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312567657 - 2⁴ = 5312567641 is a prime.

It is a super-2 number, since 2×5312567657² = 56446750220404939298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5312567957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656283828 + 2656283829.

It is an arithmetic number, because the mean of its divisors is an integer number (2656283829).

Almost surely, 2^5312567657 is an apocalyptic number.

It is an amenable number.

5312567657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312567657 is an equidigital number, since it uses as much as digits as its factorization.

5312567657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323000, while the sum is 47.

The square root of 5312567657 is about 72887.3628072796. The cubic root of 5312567657 is about 1744.8904189773.

The spelling of 5312567657 in words is "five billion, three hundred twelve million, five hundred sixty-seven thousand, six hundred fifty-seven".