523256 has 8 divisors (see below), whose sum is σ = 981120. Its totient is φ = 261624.

The previous prime is 523219. The next prime is 523261. The reversal of 523256 is 652325.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32696 + ... + 32711.

It is an arithmetic number, because the mean of its divisors is an integer number (122640).

2⁵²³²⁵⁶ is an apocalyptic number.

It is an amenable number.

523256 is a deficient number, since it is larger than the sum of its proper divisors (457864).

523256 is a wasteful number, since it uses less digits than its factorization.

523256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65413 (or 65409 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 523256 is about 723.3643618537. The cubic root of 523256 is about 80.5820056006.

The spelling of 523256 in words is "five hundred twenty-three thousand, two hundred fifty-six".