64519113 has 8 divisors (see below), whose sum is σ = 88992000. Its totient is φ = 41529488.

The previous prime is 64519111. The next prime is 64519123. The reversal of 64519113 is 31191546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64519113 - 2¹ = 64519111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64519111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370713 + ... + 370886.

It is an arithmetic number, because the mean of its divisors is an integer number (11124000).

Almost surely, 2^64519113 is an apocalyptic number.

It is an amenable number.

64519113 is a deficient number, since it is larger than the sum of its proper divisors (24472887).

64519113 is a wasteful number, since it uses less digits than its factorization.

64519113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741631.

The product of its digits is 3240, while the sum is 30.

The square root of 64519113 is about 8032.3790373712. The cubic root of 64519113 is about 401.0785744953.

The spelling of 64519113 in words is "sixty-four million, five hundred nineteen thousand, one hundred thirteen".