64625113 has 8 divisors (see below), whose sum is σ = 74176128. Its totient is φ = 55153824.

The previous prime is 64625107. The next prime is 64625117. The reversal of 64625113 is 31152646.

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 64625113 - 2¹³ = 64616921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64625117) 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, 18181 + ... + 21442.

It is an arithmetic number, because the mean of its divisors is an integer number (9272016).

Almost surely, 2^64625113 is an apocalyptic number.

It is an amenable number.

64625113 is a deficient number, since it is larger than the sum of its proper divisors (9551015).

64625113 is a wasteful number, since it uses less digits than its factorization.

64625113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39863.

The product of its digits is 4320, while the sum is 28.

The square root of 64625113 is about 8038.9746236694. The cubic root of 64625113 is about 401.2981015240.

Adding to 64625113 its reverse (31152646), we get a palindrome (95777759).

The spelling of 64625113 in words is "sixty-four million, six hundred twenty-five thousand, one hundred thirteen".