65164513 has 4 divisors (see below), whose sum is σ = 66551040. Its totient is φ = 63777988.

The previous prime is 65164499. The next prime is 65164523. The reversal of 65164513 is 31546156.

65164513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65164513 - 2⁵ = 65164481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65164523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693193 + ... + 693286.

It is an arithmetic number, because the mean of its divisors is an integer number (16637760).

Almost surely, 2^65164513 is an apocalyptic number.

It is an amenable number.

65164513 is a deficient number, since it is larger than the sum of its proper divisors (1386527).

65164513 is a wasteful number, since it uses less digits than its factorization.

65164513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386526.

The product of its digits is 10800, while the sum is 31.

The square root of 65164513 is about 8072.4539639443. The cubic root of 65164513 is about 402.4115011890.

The spelling of 65164513 in words is "sixty-five million, one hundred sixty-four thousand, five hundred thirteen".