254887 has 2 divisors, whose sum is σ = 254888. Its totient is φ = 254886.

The previous prime is 254879. The next prime is 254899. The reversal of 254887 is 788452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254887 - 2³ = 254879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127443 + 127444.

It is an arithmetic number, because the mean of its divisors is an integer number (127444).

2²⁵⁴⁸⁸⁷ is an apocalyptic number.

254887 is a deficient number, since it is larger than the sum of its proper divisors (1).

254887 is an equidigital number, since it uses as much as digits as its factorization.

254887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 34.

The square root of 254887 is about 504.8633478477. The cubic root of 254887 is about 63.4038887443.

The spelling of 254887 in words is "two hundred fifty-four thousand, eight hundred eighty-seven".