65464475 has 6 divisors (see below), whose sum is σ = 81175980. Its totient is φ = 52371560.

The previous prime is 65464471. The next prime is 65464489. The reversal of 65464475 is 57446456.

It is a happy number.

It is not a de Polignac number, because 65464475 - 2² = 65464471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65464471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1309265 + ... + 1309314.

It is an arithmetic number, because the mean of its divisors is an integer number (13529330).

Almost surely, 2^65464475 is an apocalyptic number.

65464475 is a deficient number, since it is larger than the sum of its proper divisors (15711505).

65464475 is a wasteful number, since it uses less digits than its factorization.

65464475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618589 (or 2618584 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 65464475 is about 8091.0119886205. The cubic root of 65464475 is about 403.0280096371.

The spelling of 65464475 in words is "sixty-five million, four hundred sixty-four thousand, four hundred seventy-five".