6504975 has 48 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 3310560.

The previous prime is 6504923. The next prime is 6504977. The reversal of 6504975 is 5794056.

It is not a de Polignac number, because 6504975 - 2¹¹ = 6502927 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6504977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15316 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

Almost surely, 2^6504975 is an apocalyptic number.

6504975 is a deficient number, since it is larger than the sum of its proper divisors (5994225).

6504975 is a wasteful number, since it uses less digits than its factorization.

6504975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 6504975 is about 2550.4852479479. The cubic root of 6504975 is about 186.6731591421.

It can be divided in two parts, 650 and 4975, that added together give a square (5625 = 75²).

The spelling of 6504975 in words is "six million, five hundred four thousand, nine hundred seventy-five".