254906 has 4 divisors (see below), whose sum is σ = 382362. Its totient is φ = 127452.

The previous prime is 254899. The next prime is 254911. The reversal of 254906 is 609452.

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., 128881 + 126025 = 359^2 + 355^2 .

It is a nialpdrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63725 + ... + 63728.

2²⁵⁴⁹⁰⁶ is an apocalyptic number.

254906 is a deficient number, since it is larger than the sum of its proper divisors (127456).

254906 is a wasteful number, since it uses less digits than its factorization.

254906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127455.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 254906 is about 504.8821644701. The cubic root of 254906 is about 63.4054641404.

The spelling of 254906 in words is "two hundred fifty-four thousand, nine hundred six".