65313530 has 16 divisors (see below), whose sum is σ = 118982304. Its totient is φ = 25810320.

The previous prime is 65313529. The next prime is 65313551. The reversal of 65313530 is 3531356.

It is a self number, because there is not a number n which added to its sum of digits gives 65313530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38516 + ... + 40175.

It is an arithmetic number, because the mean of its divisors is an integer number (7436394).

Almost surely, 2^65313530 is an apocalyptic number.

65313530 is a deficient number, since it is larger than the sum of its proper divisors (53668774).

65313530 is a wasteful number, since it uses less digits than its factorization.

65313530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78781.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 65313530 is about 8081.6786622582. The cubic root of 65313530 is about 402.7180100544.

Adding to 65313530 its reverse (3531356), we get a palindrome (68844886).

The spelling of 65313530 in words is "sixty-five million, three hundred thirteen thousand, five hundred thirty".