557486971 has 2 divisors, whose sum is σ = 557486972. Its totient is φ = 557486970.

The previous prime is 557486921. The next prime is 557487031. The reversal of 557486971 is 179684755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557486971 - 2²⁷ = 423269243 is a prime.

It is not a weakly prime, because it can be changed into another prime (557486921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278743485 + 278743486.

It is an arithmetic number, because the mean of its divisors is an integer number (278743486).

Almost surely, 2^557486971 is an apocalyptic number.

557486971 is a deficient number, since it is larger than the sum of its proper divisors (1).

557486971 is an equidigital number, since it uses as much as digits as its factorization.

557486971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 52.

The square root of 557486971 is about 23611.1620002066. The cubic root of 557486971 is about 823.0222456040.

The spelling of 557486971 in words is "five hundred fifty-seven million, four hundred eighty-six thousand, nine hundred seventy-one".