6572491 has 4 divisors (see below), whose sum is σ = 6614512. Its totient is φ = 6530472.

The previous prime is 6572483. The next prime is 6572497. The reversal of 6572491 is 1942756.

6572491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6572491 - 2³ = 6572483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6572497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20775 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (1653628).

Almost surely, 2^6572491 is an apocalyptic number.

6572491 is a deficient number, since it is larger than the sum of its proper divisors (42021).

6572491 is a wasteful number, since it uses less digits than its factorization.

6572491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42020.

The product of its digits is 15120, while the sum is 34.

The square root of 6572491 is about 2563.6869933750. The cubic root of 6572491 is about 187.3167727101.

The spelling of 6572491 in words is "six million, five hundred seventy-two thousand, four hundred ninety-one".