6401465 has 8 divisors (see below), whose sum is σ = 8779200. Its totient is φ = 4389552.

The previous prime is 6401459. The next prime is 6401467. The reversal of 6401465 is 5641046.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6401465 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6401467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91415 + ... + 91484.

It is an arithmetic number, because the mean of its divisors is an integer number (1097400).

Almost surely, 2^6401465 is an apocalyptic number.

It is an amenable number.

6401465 is a deficient number, since it is larger than the sum of its proper divisors (2377735).

6401465 is a wasteful number, since it uses less digits than its factorization.

6401465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182911.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6401465 is about 2530.1116576151. Note that the first 3 decimals coincide. The cubic root of 6401465 is about 185.6777187796.

The spelling of 6401465 in words is "six million, four hundred one thousand, four hundred sixty-five".