64465335 has 32 divisors (see below), whose sum is σ = 125026560. Its totient is φ = 31255200.

The previous prime is 64465333. The next prime is 64465339. The reversal of 64465335 is 53356446.

64465335 is a `hidden beast` number, since 644 + 6 + 5 + 3 + 3 + 5 = 666.

It is not a de Polignac number, because 64465335 - 2¹ = 64465333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64465335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64465333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20221 + ... + 23190.

It is an arithmetic number, because the mean of its divisors is an integer number (3907080).

Almost surely, 2^64465335 is an apocalyptic number.

64465335 is a deficient number, since it is larger than the sum of its proper divisors (60561225).

64465335 is a wasteful number, since it uses less digits than its factorization.

64465335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43436 (or 43430 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 64465335 is about 8029.0307634234. The cubic root of 64465335 is about 400.9671077885.

Subtracting from 64465335 its reverse (53356446), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 6446 and 5335, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 64465335 in words is "sixty-four million, four hundred sixty-five thousand, three hundred thirty-five".