254920 has 16 divisors (see below), whose sum is σ = 573660. Its totient is φ = 101952.

The previous prime is 254911. The next prime is 254927. The reversal of 254920 is 29452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 2916 = 502^2 + 54^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254891 and 254900.

It is not an unprimeable number, because it can be changed into a prime (254927) by changing a digit.

254920 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147 + ... + 3226.

2²⁵⁴⁹²⁰ is an apocalyptic number.

254920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254920 is an abundant number, since it is smaller than the sum of its proper divisors (318740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254920 is a wasteful number, since it uses less digits than its factorization.

254920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384 (or 6380 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 254920 is about 504.8960289010. The cubic root of 254920 is about 63.4066249085.

The spelling of 254920 in words is "two hundred fifty-four thousand, nine hundred twenty".