2557162271 has 2 divisors, whose sum is σ = 2557162272. Its totient is φ = 2557162270.

The previous prime is 2557162249. The next prime is 2557162277. The reversal of 2557162271 is 1722617552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2557162271 - 2⁶ = 2557162207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557162277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278581135 + 1278581136.

It is an arithmetic number, because the mean of its divisors is an integer number (1278581136).

Almost surely, 2^2557162271 is an apocalyptic number.

2557162271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557162271 is an equidigital number, since it uses as much as digits as its factorization.

2557162271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 2557162271 is about 50568.3920151709. The cubic root of 2557162271 is about 1367.4751070915.

The spelling of 2557162271 in words is "two billion, five hundred fifty-seven million, one hundred sixty-two thousand, two hundred seventy-one".