557160239 has 2 divisors, whose sum is σ = 557160240. Its totient is φ = 557160238.

The previous prime is 557160223. The next prime is 557160251. The reversal of 557160239 is 932061755.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557160239 - 2⁴ = 557160223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557160139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278580119 + 278580120.

It is an arithmetic number, because the mean of its divisors is an integer number (278580120).

Almost surely, 2^557160239 is an apocalyptic number.

557160239 is a deficient number, since it is larger than the sum of its proper divisors (1).

557160239 is an equidigital number, since it uses as much as digits as its factorization.

557160239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 557160239 is about 23604.2419704595. The cubic root of 557160239 is about 822.8614285391.

The spelling of 557160239 in words is "five hundred fifty-seven million, one hundred sixty thousand, two hundred thirty-nine".