64002465 has 12 divisors (see below), whose sum is σ = 110937684. Its totient is φ = 34134624.

The previous prime is 64002461. The next prime is 64002479. The reversal of 64002465 is 56420046.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8156736 + 55845729 = 2856^2 + 7473^2 .

It is not a de Polignac number, because 64002465 - 2² = 64002461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64002461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711094 + ... + 711183.

It is an arithmetic number, because the mean of its divisors is an integer number (9244807).

Almost surely, 2^64002465 is an apocalyptic number.

It is an amenable number.

64002465 is a deficient number, since it is larger than the sum of its proper divisors (46935219).

64002465 is a wasteful number, since it uses less digits than its factorization.

64002465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422288 (or 1422285 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 64002465 is about 8000.1540610166. The cubic root of 64002465 is about 400.0051353507.

The spelling of 64002465 in words is "sixty-four million, two thousand, four hundred sixty-five".