613664053 has 4 divisors (see below), whose sum is σ = 615928768. Its totient is φ = 611399340.

The previous prime is 613664047. The next prime is 613664057. The reversal of 613664053 is 350466316.

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 a de Polignac number, because none of the positive numbers 2^k-613664053 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 (613664057) 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, 1131951 + ... + 1132492.

It is an arithmetic number, because the mean of its divisors is an integer number (153982192).

Almost surely, 2^613664053 is an apocalyptic number.

It is an amenable number.

613664053 is a deficient number, since it is larger than the sum of its proper divisors (2264715).

613664053 is a wasteful number, since it uses less digits than its factorization.

613664053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264714.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 613664053 is about 24772.2436004493. The cubic root of 613664053 is about 849.7872837955.

The spelling of 613664053 in words is "six hundred thirteen million, six hundred sixty-four thousand, fifty-three".