254986 has 4 divisors (see below), whose sum is σ = 382482. Its totient is φ = 127492.

The previous prime is 254977. The next prime is 254987. The reversal of 254986 is 689452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 207025 + 47961 = 455^2 + 219^2 .

It is not an unprimeable number, because it can be changed into a prime (254987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63745 + ... + 63748.

2²⁵⁴⁹⁸⁶ is an apocalyptic number.

254986 is a deficient number, since it is larger than the sum of its proper divisors (127496).

254986 is a wasteful number, since it uses less digits than its factorization.

254986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127495.

The product of its digits is 17280, while the sum is 34.

The square root of 254986 is about 504.9613846622. The cubic root of 254986 is about 63.4120965286.

The spelling of 254986 in words is "two hundred fifty-four thousand, nine hundred eighty-six".