254025281 has 2 divisors, whose sum is σ = 254025282. Its totient is φ = 254025280.

The previous prime is 254025259. The next prime is 254025287. The reversal of 254025281 is 182520452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183196225 + 70829056 = 13535^2 + 8416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254025281 is a prime.

It is a super-2 number, since 2×254025281² = 129057686774257922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254025287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127012640 + 127012641.

It is an arithmetic number, because the mean of its divisors is an integer number (127012641).

Almost surely, 2^254025281 is an apocalyptic number.

It is an amenable number.

254025281 is a deficient number, since it is larger than the sum of its proper divisors (1).

254025281 is an equidigital number, since it uses as much as digits as its factorization.

254025281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 254025281 is about 15938.1705662852. The cubic root of 254025281 is about 633.3235636228.

The spelling of 254025281 in words is "two hundred fifty-four million, twenty-five thousand, two hundred eighty-one".