612256853 has 8 divisors (see below), whose sum is σ = 698139288. Its totient is φ = 531915264.

The previous prime is 612256829. The next prime is 612256907. The reversal of 612256853 is 358652216.

612256853 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 4 ways, for example, as 94148209 + 518108644 = 9703^2 + 22762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612256853 - 2¹² = 612252757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612256453) 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, 1384976 + ... + 1385417.

It is an arithmetic number, because the mean of its divisors is an integer number (87267411).

Almost surely, 2^612256853 is an apocalyptic number.

It is an amenable number.

612256853 is a deficient number, since it is larger than the sum of its proper divisors (85882435).

612256853 is a wasteful number, since it uses less digits than its factorization.

612256853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770423.

The product of its digits is 86400, while the sum is 38.

The square root of 612256853 is about 24743.8245427016. The cubic root of 612256853 is about 849.1372343772.

The spelling of 612256853 in words is "six hundred twelve million, two hundred fifty-six thousand, eight hundred fifty-three".