612956851 has 4 divisors (see below), whose sum is σ = 660107392. Its totient is φ = 565806312.

The previous prime is 612956849. The next prime is 612956857. The reversal of 612956851 is 158659216.

612956851 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 is a cyclic number.

It is not a de Polignac number, because 612956851 - 2¹ = 612956849 is a prime.

It is a super-2 number, since 2×612956851² = 751432202375672402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612956798 and 612956807.

It is not an unprimeable number, because it can be changed into a prime (612956857) 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, 23575251 + ... + 23575276.

It is an arithmetic number, because the mean of its divisors is an integer number (165026848).

Almost surely, 2^612956851 is an apocalyptic number.

612956851 is a deficient number, since it is larger than the sum of its proper divisors (47150541).

612956851 is a wasteful number, since it uses less digits than its factorization.

612956851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47150540.

The product of its digits is 129600, while the sum is 43.

The square root of 612956851 is about 24757.9654050974. The cubic root of 612956851 is about 849.4607195188.

The spelling of 612956851 in words is "six hundred twelve million, nine hundred fifty-six thousand, eight hundred fifty-one".