616713305 has 16 divisors (see below), whose sum is σ = 838931520. Its totient is φ = 431448768.

The previous prime is 616713289. The next prime is 616713319. The reversal of 616713305 is 503317616.

It is a cyclic number.

It is not a de Polignac number, because 616713305 - 2⁴ = 616713289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248447 + ... + 250916.

It is an arithmetic number, because the mean of its divisors is an integer number (52433220).

Almost surely, 2^616713305 is an apocalyptic number.

616713305 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

616713305 is a deficient number, since it is larger than the sum of its proper divisors (222218215).

616713305 is a wasteful number, since it uses less digits than its factorization.

616713305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499400.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 616713305 is about 24833.7130731592. The cubic root of 616713305 is about 851.1924693183.

The spelling of 616713305 in words is "six hundred sixteen million, seven hundred thirteen thousand, three hundred five".