633256 has 16 divisors (see below), whose sum is σ = 1278900. Its totient is φ = 292224.

The previous prime is 633253. The next prime is 633257. The reversal of 633256 is 652336.

It can be written as a sum of positive squares in 2 ways, for example, as 562500 + 70756 = 750^2 + 266^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 633256.

It is not an unprimeable number, because it can be changed into a prime (633253) 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, 2941 + ... + 3148.

2⁶³³²⁵⁶ is an apocalyptic number.

It is an amenable number.

633256 is an abundant number, since it is smaller than the sum of its proper divisors (645644).

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

633256 is a wasteful number, since it uses less digits than its factorization.

633256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108 (or 6104 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 633256 is about 795.7738372176. The cubic root of 633256 is about 85.8736200320.

The spelling of 633256 in words is "six hundred thirty-three thousand, two hundred fifty-six".