6480641 has 4 divisors (see below), whose sum is σ = 6762432. Its totient is φ = 6198852.

The previous prime is 6480637. The next prime is 6480697. The reversal of 6480641 is 1460846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6480641 - 2² = 6480637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6480631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140861 + ... + 140906.

It is an arithmetic number, because the mean of its divisors is an integer number (1690608).

Almost surely, 2^6480641 is an apocalyptic number.

It is an amenable number.

6480641 is a deficient number, since it is larger than the sum of its proper divisors (281791).

6480641 is a wasteful number, since it uses less digits than its factorization.

6480641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281790.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 6480641 is about 2545.7103134489. The cubic root of 6480641 is about 186.4400974880.

The spelling of 6480641 in words is "six million, four hundred eighty thousand, six hundred forty-one".