6331264251 has 16 divisors (see below), whose sum is σ = 9097514496. Its totient is φ = 3893390496.

The previous prime is 6331264223. The next prime is 6331264259. The reversal of 6331264251 is 1524621336.

It is not a de Polignac number, because 6331264251 - 2⁶ = 6331264187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6331264259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545 + ... + 112538.

It is an arithmetic number, because the mean of its divisors is an integer number (568594656).

Almost surely, 2^6331264251 is an apocalyptic number.

6331264251 is a deficient number, since it is larger than the sum of its proper divisors (2766250245).

6331264251 is a wasteful number, since it uses less digits than its factorization.

6331264251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115522.

The product of its digits is 25920, while the sum is 33.

The square root of 6331264251 is about 79569.2418651831. The cubic root of 6331264251 is about 1849.9648642950.

Adding to 6331264251 its reverse (1524621336), we get a palindrome (7855885587).

The spelling of 6331264251 in words is "six billion, three hundred thirty-one million, two hundred sixty-four thousand, two hundred fifty-one".