254851 has 4 divisors (see below), whose sum is σ = 263104. Its totient is φ = 246600.

The previous prime is 254833. The next prime is 254857. The reversal of 254851 is 158452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254851 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (254857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4080 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (65776).

2²⁵⁴⁸⁵¹ is an apocalyptic number.

254851 is a deficient number, since it is larger than the sum of its proper divisors (8253).

254851 is an equidigital number, since it uses as much as digits as its factorization.

254851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252.

The product of its digits is 1600, while the sum is 25.

The square root of 254851 is about 504.8276933767. The cubic root of 254851 is about 63.4009035686.

The spelling of 254851 in words is "two hundred fifty-four thousand, eight hundred fifty-one".