6504491 has 8 divisors (see below), whose sum is σ = 7556064. Its totient is φ = 5483520.

The previous prime is 6504467. The next prime is 6504493. The reversal of 6504491 is 1944056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6504491 - 2¹⁴ = 6488107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6504493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7190 + ... + 8043.

It is an arithmetic number, because the mean of its divisors is an integer number (944508).

Almost surely, 2^6504491 is an apocalyptic number.

6504491 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6504491 is a deficient number, since it is larger than the sum of its proper divisors (1051573).

6504491 is a wasteful number, since it uses less digits than its factorization.

6504491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15301.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6504491 is about 2550.3903622779. The cubic root of 6504491 is about 186.6685292473.

The spelling of 6504491 in words is "six million, five hundred four thousand, four hundred ninety-one".