2571531056 has 40 divisors (see below), whose sum is σ = 5042791824. Its totient is φ = 1270241280.

The previous prime is 2571531049. The next prime is 2571531059. The reversal of 2571531056 is 6501351752.

It is a super-2 number, since 2×2571531056² = 13225543943944950272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571531059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596300 + ... + 600596.

Almost surely, 2^2571531056 is an apocalyptic number.

It is an amenable number.

2571531056 is a deficient number, since it is larger than the sum of its proper divisors (2471260768).

2571531056 is a wasteful number, since it uses less digits than its factorization.

2571531056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 2571531056 is about 50710.2657851445. The cubic root of 2571531056 is about 1370.0316216261.

The spelling of 2571531056 in words is "two billion, five hundred seventy-one million, five hundred thirty-one thousand, fifty-six".