6504425 has 12 divisors (see below), whose sum is σ = 8219340. Its totient is φ = 5104320.

The previous prime is 6504419. The next prime is 6504457. The reversal of 6504425 is 5244056.

It can be written as a sum of positive squares in 6 ways, for example, as 652864 + 5851561 = 808^2 + 2419^2 .

It is not a de Polignac number, because 6504425 - 2⁶ = 6504361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6504394 and 6504403.

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, 1130 + ... + 3779.

It is an arithmetic number, because the mean of its divisors is an integer number (684945).

Almost surely, 2^6504425 is an apocalyptic number.

It is an amenable number.

6504425 is a deficient number, since it is larger than the sum of its proper divisors (1714915).

6504425 is a wasteful number, since it uses less digits than its factorization.

6504425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4967 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 6504425 is about 2550.3774230494. The cubic root of 6504425 is about 186.6678978802.

The spelling of 6504425 in words is "six million, five hundred four thousand, four hundred twenty-five".