613616605 has 16 divisors (see below), whose sum is σ = 841947264. Its totient is φ = 420557760.

The previous prime is 613616603. The next prime is 613616623. The reversal of 613616605 is 506616316.

613616605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 613616605 - 2¹ = 613616603 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 (613616603) 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, 110014 + ... + 115456.

It is an arithmetic number, because the mean of its divisors is an integer number (52621704).

Almost surely, 2^613616605 is an apocalyptic number.

It is an amenable number.

613616605 is a deficient number, since it is larger than the sum of its proper divisors (228330659).

613616605 is a wasteful number, since it uses less digits than its factorization.

613616605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 613616605 is about 24771.2858971835. The cubic root of 613616605 is about 849.7653816130.

The spelling of 613616605 in words is "six hundred thirteen million, six hundred sixteen thousand, six hundred five".