254457881 has 2 divisors, whose sum is σ = 254457882. Its totient is φ = 254457880.

The previous prime is 254457851. The next prime is 254457913. The reversal of 254457881 is 188754452.

254457881 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., 195552256 + 58905625 = 13984^2 + 7675^2 .

It is a cyclic number.

It is not a de Polignac number, because 254457881 - 2⁶ = 254457817 is a prime.

It is a super-2 number, since 2×254457881² = 129497626406020322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254457821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127228940 + 127228941.

It is an arithmetic number, because the mean of its divisors is an integer number (127228941).

Almost surely, 2^254457881 is an apocalyptic number.

It is an amenable number.

254457881 is a deficient number, since it is larger than the sum of its proper divisors (1).

254457881 is an equidigital number, since it uses as much as digits as its factorization.

254457881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 44.

The square root of 254457881 is about 15951.7359870329. The cubic root of 254457881 is about 633.6828722113.

The spelling of 254457881 in words is "two hundred fifty-four million, four hundred fifty-seven thousand, eight hundred eighty-one".