6246531225 has 81 divisors (see below), whose sum is σ = 12323535679. Its totient is φ = 3022298400.

The previous prime is 6246531169. The next prime is 6246531227. The reversal of 6246531225 is 5221356426.

The square root of 6246531225 is 79035.

It is a perfect power (a square), and thus also a powerful number.

6246531225 is a `hidden beast` number, since 62 + 46 + 531 + 2 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2248751241 + 3997779984 = 47421^2 + 63228^2 .

It is not a de Polignac number, because 6246531225 - 2²⁵ = 6212976793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6246531225.

It is not an unprimeable number, because it can be changed into a prime (6246531227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 13040536 + ... + 13041014.

Almost surely, 2^6246531225 is an apocalyptic number.

6246531225 is the 79035-th square number.

6246531225 is the 39518-th centered octagonal number.

It is an amenable number.

6246531225 is a deficient number, since it is larger than the sum of its proper divisors (6077004454).

6246531225 is a wasteful number, since it uses less digits than its factorization.

6246531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 498 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The cubic root of 6246531225 is about 1841.6749108872.

Multiplying 6246531225 by its sum of digits (36), we get a square (224875124100 = 474210²).

The spelling of 6246531225 in words is "six billion, two hundred forty-six million, five hundred thirty-one thousand, two hundred twenty-five".