613655013 has 16 divisors (see below), whose sum is σ = 845513216. Its totient is φ = 395478720.

The previous prime is 613654999. The next prime is 613655017. The reversal of 613655013 is 310556316.

It is not a de Polignac number, because 613655013 - 2⁸ = 613654757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613655017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98631 + ... + 104667.

It is an arithmetic number, because the mean of its divisors is an integer number (52844576).

Almost surely, 2^613655013 is an apocalyptic number.

It is an amenable number.

613655013 is a deficient number, since it is larger than the sum of its proper divisors (231858203).

613655013 is a wasteful number, since it uses less digits than its factorization.

613655013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 613655013 is about 24772.0611374992. The cubic root of 613655013 is about 849.7831109832.

The spelling of 613655013 in words is "six hundred thirteen million, six hundred fifty-five thousand, thirteen".