6521232955 has 16 divisors (see below), whose sum is σ = 7902367200. Its totient is φ = 5165925120.

The previous prime is 6521232947. The next prime is 6521232959. The reversal of 6521232955 is 5592321256.

It is not a de Polignac number, because 6521232955 - 2³ = 6521232947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6521232959) 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, 258295 + ... + 282415.

It is an arithmetic number, because the mean of its divisors is an integer number (493897950).

Almost surely, 2^6521232955 is an apocalyptic number.

6521232955 is a deficient number, since it is larger than the sum of its proper divisors (1381134245).

6521232955 is a wasteful number, since it uses less digits than its factorization.

6521232955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24654.

The product of its digits is 162000, while the sum is 40.

The square root of 6521232955 is about 80754.1513174400. The cubic root of 6521232955 is about 1868.2854784689.

The spelling of 6521232955 in words is "six billion, five hundred twenty-one million, two hundred thirty-two thousand, nine hundred fifty-five".