612616959 has 16 divisors (see below), whose sum is σ = 908838400. Its totient is φ = 407845368.

The previous prime is 612616871. The next prime is 612616987. The reversal of 612616959 is 959616216.

It is a happy number.

It is not a de Polignac number, because 612616959 - 2⁸ = 612616703 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 (612615959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4602 + ... + 35304.

It is an arithmetic number, because the mean of its divisors is an integer number (56802400).

Almost surely, 2^612616959 is an apocalyptic number.

612616959 is a deficient number, since it is larger than the sum of its proper divisors (296221441).

612616959 is a wasteful number, since it uses less digits than its factorization.

612616959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31451 (or 31445 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 612616959 is about 24751.1001573667. The cubic root of 612616959 is about 849.3036784014.

The spelling of 612616959 in words is "six hundred twelve million, six hundred sixteen thousand, nine hundred fifty-nine".