254440425 has 12 divisors (see below), whose sum is σ = 420674960. Its totient is φ = 135701520.

The previous prime is 254440399. The next prime is 254440429. The reversal of 254440425 is 524044452.

It is not a de Polignac number, because 254440425 - 2⁵ = 254440393 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 254440392 and 254440401.

It is not an unprimeable number, because it can be changed into a prime (254440429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1696195 + ... + 1696344.

Almost surely, 2^254440425 is an apocalyptic number.

254440425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254440425 is a deficient number, since it is larger than the sum of its proper divisors (166234535).

254440425 is a wasteful number, since it uses less digits than its factorization.

254440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392552 (or 3392547 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 254440425 is about 15951.1888271690. The cubic root of 254440425 is about 633.6683815077.

Adding to 254440425 its reverse (524044452), we get a palindrome (778484877).

The spelling of 254440425 in words is "two hundred fifty-four million, four hundred forty thousand, four hundred twenty-five".