6480536625 has 168 divisors, whose sum is σ = 12862782504. Its totient is φ = 3257755200.

The previous prime is 6480536599. The next prime is 6480536651. The reversal of 6480536625 is 5266350846.

It is an interprime number because it is at equal distance from previous prime (6480536599) and next prime (6480536651).

It can be written as a sum of positive squares in 4 ways, for example, as 76055841 + 6404480784 = 8721^2 + 80028^2 .

It is not a de Polignac number, because 6480536625 - 2¹³ = 6480528433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 32896027 + ... + 32896223.

Almost surely, 2^6480536625 is an apocalyptic number.

It is an amenable number.

6480536625 is a deficient number, since it is larger than the sum of its proper divisors (6382245879).

6480536625 is an equidigital number, since it uses as much as digits as its factorization.

6480536625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 6480536625 is about 80501.7802598179. The cubic root of 6480536625 is about 1864.3909656902.

The spelling of 6480536625 in words is "six billion, four hundred eighty million, five hundred thirty-six thousand, six hundred twenty-five".