557825767 has 2 divisors, whose sum is σ = 557825768. Its totient is φ = 557825766.

The previous prime is 557825717. The next prime is 557825773. The reversal of 557825767 is 767528755.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557825767 is a prime.

It is a super-2 number, since 2×557825767² = 622339172658276578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557825717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278912883 + 278912884.

It is an arithmetic number, because the mean of its divisors is an integer number (278912884).

Almost surely, 2^557825767 is an apocalyptic number.

557825767 is a deficient number, since it is larger than the sum of its proper divisors (1).

557825767 is an equidigital number, since it uses as much as digits as its factorization.

557825767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4116000, while the sum is 52.

The square root of 557825767 is about 23618.3353985839. The cubic root of 557825767 is about 823.1889342105.

The spelling of 557825767 in words is "five hundred fifty-seven million, eight hundred twenty-five thousand, seven hundred sixty-seven".