557361271 has 2 divisors, whose sum is σ = 557361272. Its totient is φ = 557361270.

The previous prime is 557361253. The next prime is 557361283. The reversal of 557361271 is 172163755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557361271 - 2⁵ = 557361239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557361271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557361241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278680635 + 278680636.

It is an arithmetic number, because the mean of its divisors is an integer number (278680636).

Almost surely, 2^557361271 is an apocalyptic number.

557361271 is a deficient number, since it is larger than the sum of its proper divisors (1).

557361271 is an equidigital number, since it uses as much as digits as its factorization.

557361271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 37.

The square root of 557361271 is about 23608.4999735265. The cubic root of 557361271 is about 822.9603836664.

The spelling of 557361271 in words is "five hundred fifty-seven million, three hundred sixty-one thousand, two hundred seventy-one".