612957243 has 16 divisors (see below), whose sum is σ = 838317600. Its totient is φ = 398221824.

The previous prime is 612957229. The next prime is 612957263. The reversal of 612957243 is 342759216.

612957243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612957243 - 2⁴ = 612957227 is a prime.

It is a super-2 number, since 2×612957243² = 751433163492322098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612957263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10755 + ... + 36627.

It is an arithmetic number, because the mean of its divisors is an integer number (52394850).

Almost surely, 2^612957243 is an apocalyptic number.

612957243 is a deficient number, since it is larger than the sum of its proper divisors (225360357).

612957243 is a wasteful number, since it uses less digits than its factorization.

612957243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26078.

The product of its digits is 90720, while the sum is 39.

The square root of 612957243 is about 24757.9733217402. The cubic root of 612957243 is about 849.4609006020.

The spelling of 612957243 in words is "six hundred twelve million, nine hundred fifty-seven thousand, two hundred forty-three".