2564357271 has 16 divisors (see below), whose sum is σ = 3990733824. Its totient is φ = 1434168864.

The previous prime is 2564357227. The next prime is 2564357273. The reversal of 2564357271 is 1727534652.

It is not a de Polignac number, because 2564357271 - 2¹⁴ = 2564340887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564357273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298080 + ... + 1300053.

It is an arithmetic number, because the mean of its divisors is an integer number (249420864).

Almost surely, 2^2564357271 is an apocalyptic number.

2564357271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2564357271 is a deficient number, since it is larger than the sum of its proper divisors (1426376553).

2564357271 is a wasteful number, since it uses less digits than its factorization.

2564357271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598190.

The product of its digits is 352800, while the sum is 42.

The square root of 2564357271 is about 50639.4833208239. The cubic root of 2564357271 is about 1368.7564453982.

The spelling of 2564357271 in words is "two billion, five hundred sixty-four million, three hundred fifty-seven thousand, two hundred seventy-one".