254425 has 6 divisors (see below), whose sum is σ = 315518. Its totient is φ = 203520.

The previous prime is 254413. The next prime is 254437. The reversal of 254425 is 524452.

It is an interprime number because it is at equal distance from previous prime (254413) and next prime (254437).

It can be written as a sum of positive squares in 3 ways, for example, as 26896 + 227529 = 164^2 + 477^2 .

It is not a de Polignac number, because 254425 - 2¹⁵ = 221657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254396 and 254405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5064 + ... + 5113.

2²⁵⁴⁴²⁵ is an apocalyptic number.

254425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254425 is a deficient number, since it is larger than the sum of its proper divisors (61093).

254425 is a wasteful number, since it uses less digits than its factorization.

254425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187 (or 10182 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 254425 is about 504.4055907700. The cubic root of 254425 is about 63.3655576241.

Adding to 254425 its reverse (524452), we get a palindrome (778877).

The spelling of 254425 in words is "two hundred fifty-four thousand, four hundred twenty-five".