5261522961 has 32 divisors (see below), whose sum is σ = 7189944192. Its totient is φ = 3421716480.

The previous prime is 5261522939. The next prime is 5261522963. The reversal of 5261522961 is 1692251625.

It is not a de Polignac number, because 5261522961 - 2⁶ = 5261522897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5261522963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11876806 + ... + 11877248.

It is an arithmetic number, because the mean of its divisors is an integer number (224685756).

Almost surely, 2^5261522961 is an apocalyptic number.

It is an amenable number.

5261522961 is a deficient number, since it is larger than the sum of its proper divisors (1928421231).

5261522961 is a wasteful number, since it uses less digits than its factorization.

5261522961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 64800, while the sum is 39.

The square root of 5261522961 is about 72536.3561326319. The cubic root of 5261522961 is about 1739.2839526301.

The spelling of 5261522961 in words is "five billion, two hundred sixty-one million, five hundred twenty-two thousand, nine hundred sixty-one".