65313263 has 4 divisors (see below), whose sum is σ = 65431080. Its totient is φ = 65195448.

The previous prime is 65313257. The next prime is 65313271. The reversal of 65313263 is 36231356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65313263 - 2⁴ = 65313247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58073 + ... + 59186.

It is an arithmetic number, because the mean of its divisors is an integer number (16357770).

Almost surely, 2^65313263 is an apocalyptic number.

65313263 is a deficient number, since it is larger than the sum of its proper divisors (117817).

65313263 is a wasteful number, since it uses less digits than its factorization.

65313263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117816.

The product of its digits is 9720, while the sum is 29.

The square root of 65313263 is about 8081.6621433960. The cubic root of 65313263 is about 402.7174612867.

The spelling of 65313263 in words is "sixty-five million, three hundred thirteen thousand, two hundred sixty-three".