557871263 has 2 divisors, whose sum is σ = 557871264. Its totient is φ = 557871262.

The previous prime is 557871253. The next prime is 557871271. The reversal of 557871263 is 362178755.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557871263 - 2¹⁰ = 557870239 is a prime.

It is a super-2 number, since 2×557871263² = 622440692162430338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557871203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278935631 + 278935632.

It is an arithmetic number, because the mean of its divisors is an integer number (278935632).

Almost surely, 2^557871263 is an apocalyptic number.

557871263 is a deficient number, since it is larger than the sum of its proper divisors (1).

557871263 is an equidigital number, since it uses as much as digits as its factorization.

557871263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The square root of 557871263 is about 23619.2985289572. The cubic root of 557871263 is about 823.2113132326.

The spelling of 557871263 in words is "five hundred fifty-seven million, eight hundred seventy-one thousand, two hundred sixty-three".