612805316 has 24 divisors (see below), whose sum is σ = 1090866336. Its totient is φ = 301150080.

The previous prime is 612805313. The next prime is 612805327. The reversal of 612805316 is 613508216.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (612805313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129260 + ... + 133916.

It is an arithmetic number, because the mean of its divisors is an integer number (45452764).

Almost surely, 2^612805316 is an apocalyptic number.

It is an amenable number.

612805316 is a deficient number, since it is larger than the sum of its proper divisors (478061020).

612805316 is a wasteful number, since it uses less digits than its factorization.

612805316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219 (or 5217 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 612805316 is about 24754.9048877187. The cubic root of 612805316 is about 849.3907126121.

The spelling of 612805316 in words is "six hundred twelve million, eight hundred five thousand, three hundred sixteen".