557371147 has 2 divisors, whose sum is σ = 557371148. Its totient is φ = 557371146.

The previous prime is 557371093. The next prime is 557371159. The reversal of 557371147 is 741173755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557371147 - 2⁷ = 557371019 is a prime.

It is not a weakly prime, because it can be changed into another prime (557371187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278685573 + 278685574.

It is an arithmetic number, because the mean of its divisors is an integer number (278685574).

Almost surely, 2^557371147 is an apocalyptic number.

557371147 is a deficient number, since it is larger than the sum of its proper divisors (1).

557371147 is an equidigital number, since it uses as much as digits as its factorization.

557371147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102900, while the sum is 40.

The square root of 557371147 is about 23608.7091345546. The cubic root of 557371147 is about 822.9652443729.

The spelling of 557371147 in words is "five hundred fifty-seven million, three hundred seventy-one thousand, one hundred forty-seven".