6480625 has 10 divisors (see below), whose sum is σ = 8098970. Its totient is φ = 5184000.

The previous prime is 6480613. The next prime is 6480631. The reversal of 6480625 is 5260846.

It can be written as a sum of positive squares in 5 ways, for example, as 4293184 + 2187441 = 2072^2 + 1479^2 .

It is not a de Polignac number, because 6480625 - 2⁷ = 6480497 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4560 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (809897).

Almost surely, 2^6480625 is an apocalyptic number.

It is an amenable number.

6480625 is a deficient number, since it is larger than the sum of its proper divisors (1618345).

6480625 is an equidigital number, since it uses as much as digits as its factorization.

6480625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10389 (or 10374 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6480625 is about 2545.7071709056. The cubic root of 6480625 is about 186.4399440544.

The spelling of 6480625 in words is "six million, four hundred eighty thousand, six hundred twenty-five".