6442465 has 8 divisors (see below), whose sum is σ = 7744680. Its totient is φ = 5144832.

The previous prime is 6442459. The next prime is 6442481. The reversal of 6442465 is 5642446.

It can be written as a sum of positive squares in 4 ways, for example, as 571536 + 5870929 = 756^2 + 2423^2 .

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 6442465 - 2⁵ = 6442433 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4407 + ... + 5683.

It is an arithmetic number, because the mean of its divisors is an integer number (968085).

Almost surely, 2^6442465 is an apocalyptic number.

It is an amenable number.

6442465 is a deficient number, since it is larger than the sum of its proper divisors (1302215).

6442465 is a wasteful number, since it uses less digits than its factorization.

6442465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its digits is 23040, while the sum is 31.

The square root of 6442465 is about 2538.2011346621. The cubic root of 6442465 is about 186.0732840294.

The spelling of 6442465 in words is "six million, four hundred forty-two thousand, four hundred sixty-five".