250887 has 16 divisors (see below), whose sum is σ = 412160. Its totient is φ = 132192.

The previous prime is 250871. The next prime is 250889. The reversal of 250887 is 788052.

250887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250887 - 2⁴ = 250871 is a prime.

250887 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250887.

It is not an unprimeable number, because it can be changed into a prime (250889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (25760).

2²⁵⁰⁸⁸⁷ is an apocalyptic number.

250887 is a deficient number, since it is larger than the sum of its proper divisors (161273).

250887 is a wasteful number, since it uses less digits than its factorization.

250887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 250887 is about 500.8862146236. The cubic root of 250887 is about 63.0704678868.

It can be divided in two parts, 25088 and 7, that multiplied together give a cube (175616 = 56³).

The spelling of 250887 in words is "two hundred fifty thousand, eight hundred eighty-seven".