611256 has 16 divisors (see below), whose sum is σ = 1528200. Its totient is φ = 203744.

The previous prime is 611213. The next prime is 611257. The reversal of 611256 is 652116.

It is a happy number.

611256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611257) by changing a digit.

611256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12711 + ... + 12758.

2⁶¹¹²⁵⁶ is an apocalyptic number.

It is an amenable number.

611256 is an abundant number, since it is smaller than the sum of its proper divisors (916944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611256 is a wasteful number, since it uses less digits than its factorization.

611256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25478 (or 25474 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 611256 is about 781.8286257231. The cubic root of 611256 is about 84.8674288663.

The spelling of 611256 in words is "six hundred eleven thousand, two hundred fifty-six".