1057357913 has 2 divisors, whose sum is σ = 1057357914. Its totient is φ = 1057357912.

The previous prime is 1057357907. The next prime is 1057357943. The reversal of 1057357913 is 3197537501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056705049 + 652864 = 32507^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057357913 - 2¹⁰ = 1057356889 is a prime.

It is a super-2 number, since 2×1057357913² = 2236011512367431138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1057357943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528678956 + 528678957.

It is an arithmetic number, because the mean of its divisors is an integer number (528678957).

Almost surely, 2^1057357913 is an apocalyptic number.

It is an amenable number.

1057357913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057357913 is an equidigital number, since it uses as much as digits as its factorization.

1057357913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99225, while the sum is 41.

The square root of 1057357913 is about 32517.0403481006. The cubic root of 1057357913 is about 1018.7649774204.

It can be divided in two parts, 10573 and 57913, that added together give a palindrome (68486).

The spelling of 1057357913 in words is "one billion, fifty-seven million, three hundred fifty-seven thousand, nine hundred thirteen".