254421425 has 12 divisors (see below), whose sum is σ = 319806540. Its totient is φ = 200747520.

The previous prime is 254421413. The next prime is 254421443. The reversal of 254421425 is 524124452.

254421425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 45792289 + 208629136 = 6767^2 + 14444^2 .

It is not a de Polignac number, because 254421425 - 2¹⁶ = 254355889 is a prime.

It is a super-2 number, since 2×254421425² = 129460522998061250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67880 + ... + 71529.

It is an arithmetic number, because the mean of its divisors is an integer number (26650545).

Almost surely, 2^254421425 is an apocalyptic number.

254421425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254421425 is a deficient number, since it is larger than the sum of its proper divisors (65385115).

254421425 is a wasteful number, since it uses less digits than its factorization.

254421425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139492 (or 139487 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 254421425 is about 15950.5932491553. The cubic root of 254421425 is about 633.6526083342.

Adding to 254421425 its reverse (524124452), we get a palindrome (778545877).

The spelling of 254421425 in words is "two hundred fifty-four million, four hundred twenty-one thousand, four hundred twenty-five".