6480574257 has 8 divisors (see below), whose sum is σ = 8657743680. Its totient is φ = 4311893840.

The previous prime is 6480574241. The next prime is 6480574259. The reversal of 6480574257 is 7524750846.

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

It is a cyclic number.

It is not a de Polignac number, because 6480574257 - 2⁴ = 6480574241 is a prime.

It is a super-2 number, since 2×6480574257² = 83995685400982204098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6480574259) 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, 2120469 + ... + 2123522.

It is an arithmetic number, because the mean of its divisors is an integer number (1082217960).

Almost surely, 2^6480574257 is an apocalyptic number.

It is an amenable number.

6480574257 is a deficient number, since it is larger than the sum of its proper divisors (2177169423).

6480574257 is a wasteful number, since it uses less digits than its factorization.

6480574257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244503.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 6480574257 is about 80502.0139934399. The cubic root of 6480574257 is about 1864.3945744769.

The spelling of 6480574257 in words is "six billion, four hundred eighty million, five hundred seventy-four thousand, two hundred fifty-seven".