613330605 has 24 divisors (see below), whose sum is σ = 1068687360. Its totient is φ = 325392480.

The previous prime is 613330591. The next prime is 613330609. The reversal of 613330605 is 506033316.

It is not a de Polignac number, because 613330605 - 2¹⁰ = 613329581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613330609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27085 + ... + 44274.

It is an arithmetic number, because the mean of its divisors is an integer number (44528640).

Almost surely, 2^613330605 is an apocalyptic number.

It is an amenable number.

613330605 is a deficient number, since it is larger than the sum of its proper divisors (455356755).

613330605 is a wasteful number, since it uses less digits than its factorization.

613330605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71561 (or 71558 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 613330605 is about 24765.5124114160. The cubic root of 613330605 is about 849.6333389742.

The spelling of 613330605 in words is "six hundred thirteen million, three hundred thirty thousand, six hundred five".