612261256 has 16 divisors (see below), whose sum is σ = 1215518940. Its totient is φ = 288122880.

The previous prime is 612261227. The next prime is 612261259. The reversal of 612261256 is 652162216.

612261256 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 2 ways, for example, as 527437156 + 84824100 = 22966^2 + 9210^2 .

It is not an unprimeable number, because it can be changed into a prime (612261259) 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, 2250825 + ... + 2251096.

Almost surely, 2^612261256 is an apocalyptic number.

It is an amenable number.

612261256 is a deficient number, since it is larger than the sum of its proper divisors (603257684).

612261256 is a wasteful number, since it uses less digits than its factorization.

612261256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501944 (or 4501940 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 612261256 is about 24743.9135142362. The cubic root of 612261256 is about 849.1392698750.

The spelling of 612261256 in words is "six hundred twelve million, two hundred sixty-one thousand, two hundred fifty-six".