6509457 has 16 divisors (see below), whose sum is σ = 10152000. Its totient is φ = 4110912.

The previous prime is 6509449. The next prime is 6509491. The reversal of 6509457 is 7549056.

It is not a de Polignac number, because 6509457 - 2³ = 6509449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6509417) 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 15 ways as a sum of consecutive naturals, for example, 5832 + ... + 6857.

It is an arithmetic number, because the mean of its divisors is an integer number (634500).

Almost surely, 2^6509457 is an apocalyptic number.

It is an amenable number.

6509457 is a deficient number, since it is larger than the sum of its proper divisors (3642543).

6509457 is a wasteful number, since it uses less digits than its factorization.

6509457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717 (or 12711 counting only the distinct ones).

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

The square root of 6509457 is about 2551.3637529760. The cubic root of 6509457 is about 186.7160225922.

The spelling of 6509457 in words is "six million, five hundred nine thousand, four hundred fifty-seven".