612999113 has 4 divisors (see below), whose sum is σ = 624565188. Its totient is φ = 601433040.

The previous prime is 612999103. The next prime is 612999119. The reversal of 612999113 is 311999216.

612999113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492262969 + 120736144 = 22187^2 + 10988^2 .

It is a cyclic number.

It is not a de Polignac number, because 612999113 - 2⁸ = 612998857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612999119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5782958 + ... + 5783063.

It is an arithmetic number, because the mean of its divisors is an integer number (156141297).

Almost surely, 2^612999113 is an apocalyptic number.

It is an amenable number.

612999113 is a deficient number, since it is larger than the sum of its proper divisors (11566075).

612999113 is a wasteful number, since it uses less digits than its factorization.

612999113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566074.

The product of its digits is 26244, while the sum is 41.

The square root of 612999113 is about 24758.8188934771. The cubic root of 612999113 is about 849.4802418739.

The spelling of 612999113 in words is "six hundred twelve million, nine hundred ninety-nine thousand, one hundred thirteen".