64513293 has 16 divisors (see below), whose sum is σ = 92828736. Its totient is φ = 39617280.

The previous prime is 64513291. The next prime is 64513297. The reversal of 64513293 is 39231546.

64513293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64513293 - 2¹ = 64513291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64513291) 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 15 ways as a sum of consecutive naturals, for example, 20821 + ... + 23717.

It is an arithmetic number, because the mean of its divisors is an integer number (5801796).

Almost surely, 2^64513293 is an apocalyptic number.

It is an amenable number.

64513293 is a deficient number, since it is larger than the sum of its proper divisors (28315443).

64513293 is a wasteful number, since it uses less digits than its factorization.

64513293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484.

The product of its digits is 19440, while the sum is 33.

The square root of 64513293 is about 8032.0167455005. The cubic root of 64513293 is about 401.0665142577.

The spelling of 64513293 in words is "sixty-four million, five hundred thirteen thousand, two hundred ninety-three".