6364520225 has 12 divisors (see below), whose sum is σ = 9019434624. Its totient is φ = 4364242320.

The previous prime is 6364520161. The next prime is 6364520243. The reversal of 6364520225 is 5220254636.

It is not a de Polignac number, because 6364520225 - 2⁶ = 6364520161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18184169 + ... + 18184518.

It is an arithmetic number, because the mean of its divisors is an integer number (751619552).

Almost surely, 2^6364520225 is an apocalyptic number.

It is an amenable number.

6364520225 is a deficient number, since it is larger than the sum of its proper divisors (2654914399).

6364520225 is a wasteful number, since it uses less digits than its factorization.

6364520225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36368704 (or 36368699 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 6364520225 is about 79777.9432236756. The cubic root of 6364520225 is about 1853.1982879067.

The spelling of 6364520225 in words is "six billion, three hundred sixty-four million, five hundred twenty thousand, two hundred twenty-five".