612044257 has 6 divisors (see below), whose sum is σ = 672742994. Its totient is φ = 556403760.

The previous prime is 612044249. The next prime is 612044261. The reversal of 612044257 is 752440216.

612044257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 382945761 + 229098496 = 19569^2 + 15136^2 .

It is not a de Polignac number, because 612044257 - 2³ = 612044249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612044287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2528988 + ... + 2529229.

Almost surely, 2^612044257 is an apocalyptic number.

It is an amenable number.

612044257 is a deficient number, since it is larger than the sum of its proper divisors (60698737).

612044257 is a wasteful number, since it uses less digits than its factorization.

612044257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058239 (or 5058228 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 612044257 is about 24739.5282291316. The cubic root of 612044257 is about 849.0389400763.

The spelling of 612044257 in words is "six hundred twelve million, forty-four thousand, two hundred fifty-seven".