2566522312 has 16 divisors (see below), whose sum is σ = 4859876700. Its totient is φ = 1270555200.

The previous prime is 2566522307. The next prime is 2566522313. The reversal of 2566522312 is 2132256652.

It can be written as a sum of positive squares in 2 ways, for example, as 2552876676 + 13645636 = 50526^2 + 3694^2 .

It is not an unprimeable number, because it can be changed into a prime (2566522313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587387 + ... + 1589002.

Almost surely, 2^2566522312 is an apocalyptic number.

It is an amenable number.

2566522312 is a deficient number, since it is larger than the sum of its proper divisors (2293354388).

2566522312 is a wasteful number, since it uses less digits than its factorization.

2566522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176496 (or 3176492 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 2566522312 is about 50660.8558159058. The cubic root of 2566522312 is about 1369.1415425740.

Adding to 2566522312 its reverse (2132256652), we get a palindrome (4698778964).

The spelling of 2566522312 in words is "two billion, five hundred sixty-six million, five hundred twenty-two thousand, three hundred twelve".