64601113 has 4 divisors (see below), whose sum is σ = 64805220. Its totient is φ = 64397008.

The previous prime is 64601101. The next prime is 64601123. The reversal of 64601113 is 31110646.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3948169 + 60652944 = 1987^2 + 7788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64601113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64601123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101578 + ... + 102211.

It is an arithmetic number, because the mean of its divisors is an integer number (16201305).

Almost surely, 2^64601113 is an apocalyptic number.

It is an amenable number.

64601113 is a deficient number, since it is larger than the sum of its proper divisors (204107).

64601113 is a wasteful number, since it uses less digits than its factorization.

64601113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204106.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 64601113 is about 8037.4817573665. The cubic root of 64601113 is about 401.2484183256.

Adding to 64601113 its reverse (31110646), we get a palindrome (95711759).

The spelling of 64601113 in words is "sixty-four million, six hundred one thousand, one hundred thirteen".