64613101 has 4 divisors (see below), whose sum is σ = 73843552. Its totient is φ = 55382652.

The previous prime is 64613099. The next prime is 64613113. The reversal of 64613101 is 10131646.

It is a happy number.

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 64613101 - 2¹ = 64613099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64613161) 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, 4615215 + ... + 4615228.

It is an arithmetic number, because the mean of its divisors is an integer number (18460888).

Almost surely, 2^64613101 is an apocalyptic number.

It is an amenable number.

64613101 is a deficient number, since it is larger than the sum of its proper divisors (9230451).

64613101 is an equidigital number, since it uses as much as digits as its factorization.

64613101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230450.

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

The square root of 64613101 is about 8038.2274787418. The cubic root of 64613101 is about 401.2732366211.

Adding to 64613101 its reverse (10131646), we get a palindrome (74744747).

The spelling of 64613101 in words is "sixty-four million, six hundred thirteen thousand, one hundred one".