250983 has 12 divisors (see below), whose sum is σ = 368160. Its totient is φ = 164736.

The previous prime is 250979. The next prime is 250993. The reversal of 250983 is 389052.

It is not a de Polignac number, because 250983 - 2² = 250979 is a prime.

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

250983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (30680).

2²⁵⁰⁹⁸³ is an apocalyptic number.

250983 is a deficient number, since it is larger than the sum of its proper divisors (117177).

250983 is a wasteful number, since it uses less digits than its factorization.

250983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 250983 is about 500.9820356061. The cubic root of 250983 is about 63.0785113391.

The spelling of 250983 in words is "two hundred fifty thousand, nine hundred eighty-three".