6504172 has 12 divisors (see below), whose sum is σ = 11749696. Its totient is φ = 3147120.

The previous prime is 6504143. The next prime is 6504181. The reversal of 6504172 is 2714056.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26103 + ... + 26350.

Almost surely, 2^6504172 is an apocalyptic number.

6504172 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6504172 is a deficient number, since it is larger than the sum of its proper divisors (5245524).

6504172 is a wasteful number, since it uses less digits than its factorization.

6504172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52488 (or 52486 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 6504172 is about 2550.3278220652. The cubic root of 6504172 is about 186.6654776001.

The spelling of 6504172 in words is "six million, five hundred four thousand, one hundred seventy-two".