65313645 has 16 divisors (see below), whose sum is σ = 105826560. Its totient is φ = 34392384.

The previous prime is 65313641. The next prime is 65313653. The reversal of 65313645 is 54631356.

It is not a de Polignac number, because 65313645 - 2² = 65313641 is a prime.

It is a super-3 number, since 3×65313645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65313641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26374 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (6614160).

Almost surely, 2^65313645 is an apocalyptic number.

It is an amenable number.

65313645 is a deficient number, since it is larger than the sum of its proper divisors (40512915).

65313645 is a wasteful number, since it uses less digits than its factorization.

65313645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55204.

The product of its digits is 32400, while the sum is 33.

The square root of 65313645 is about 8081.6857771136. The cubic root of 65313645 is about 402.7182464145.

The spelling of 65313645 in words is "sixty-five million, three hundred thirteen thousand, six hundred forty-five".