250889 has 2 divisors, whose sum is σ = 250890. Its totient is φ = 250888.

The previous prime is 250871. The next prime is 250919. The reversal of 250889 is 988052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 94864 = 395^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 250889 - 2¹² = 246793 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (250829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125444 + 125445.

It is an arithmetic number, because the mean of its divisors is an integer number (125445).

2²⁵⁰⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

250889 is a deficient number, since it is larger than the sum of its proper divisors (1).

250889 is an equidigital number, since it uses as much as digits as its factorization.

250889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 250889 is about 500.8882110811. Note that the first 3 decimals coincide. The cubic root of 250889 is about 63.0706354797.

The spelling of 250889 in words is "two hundred fifty thousand, eight hundred eighty-nine".