711256 has 32 divisors (see below), whose sum is σ = 1643040. Its totient is φ = 281088.

The previous prime is 711223. The next prime is 711259. The reversal of 711256 is 652117.

711256 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 (711259) 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, 240 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (51345).

2⁷¹¹²⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 711256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821520).

711256 is an abundant number, since it is smaller than the sum of its proper divisors (931784).

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

711256 is a wasteful number, since it uses less digits than its factorization.

711256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 999 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 711256 is about 843.3599468791. The cubic root of 711256 is about 89.2637883532.

The spelling of 711256 in words is "seven hundred eleven thousand, two hundred fifty-six".