254420 has 12 divisors (see below), whose sum is σ = 534324. Its totient is φ = 101760.

The previous prime is 254413. The next prime is 254437. The reversal of 254420 is 24452.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 91204 = 404^2 + 302^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254420.

It is an unprimeable number.

254420 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, 6341 + ... + 6380.

It is an arithmetic number, because the mean of its divisors is an integer number (44527).

2²⁵⁴⁴²⁰ is an apocalyptic number.

254420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254420 is an abundant number, since it is smaller than the sum of its proper divisors (279904).

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

254420 is a wasteful number, since it uses less digits than its factorization.

254420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12730 (or 12728 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 254420 is about 504.4006344167. The cubic root of 254420 is about 63.3651425315.

Adding to 254420 its reverse (24452), we get a palindrome (278872).

The spelling of 254420 in words is "two hundred fifty-four thousand, four hundred twenty".