1957052917 has 2 divisors, whose sum is σ = 1957052918. Its totient is φ = 1957052916.

The previous prime is 1957052899. The next prime is 1957052927. The reversal of 1957052917 is 7192507591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097331876 + 859721041 = 33126^2 + 29321^2 .

It is a cyclic number.

It is not a de Polignac number, because 1957052917 - 2⁷ = 1957052789 is a prime.

It is a super-2 number, since 2×1957052917² = 7660112239876417778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1957052927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978526458 + 978526459.

It is an arithmetic number, because the mean of its divisors is an integer number (978526459).

Almost surely, 2^1957052917 is an apocalyptic number.

It is an amenable number.

1957052917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957052917 is an equidigital number, since it uses as much as digits as its factorization.

1957052917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 46.

The square root of 1957052917 is about 44238.5908116432. The cubic root of 1957052917 is about 1250.8373945177.

The spelling of 1957052917 in words is "one billion, nine hundred fifty-seven million, fifty-two thousand, nine hundred seventeen".