254425681 has 2 divisors, whose sum is σ = 254425682. Its totient is φ = 254425680.

The previous prime is 254425673. The next prime is 254425709. The reversal of 254425681 is 186524452.

254425681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167935681 + 86490000 = 12959^2 + 9300^2 .

It is a cyclic number.

It is not a de Polignac number, because 254425681 - 2³ = 254425673 is a prime.

It is a super-2 number, since 2×254425681² = 129464854304627522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254425681.

It is not a weakly prime, because it can be changed into another prime (254425601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127212840 + 127212841.

It is an arithmetic number, because the mean of its divisors is an integer number (127212841).

Almost surely, 2^254425681 is an apocalyptic number.

It is an amenable number.

254425681 is a deficient number, since it is larger than the sum of its proper divisors (1).

254425681 is an equidigital number, since it uses as much as digits as its factorization.

254425681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 37.

The square root of 254425681 is about 15950.7266605631. The cubic root of 254425681 is about 633.6561415933.

The spelling of 254425681 in words is "two hundred fifty-four million, four hundred twenty-five thousand, six hundred eighty-one".