254267026457 has 2 divisors, whose sum is σ = 254267026458. Its totient is φ = 254267026456.

The previous prime is 254267026427. The next prime is 254267026483. The reversal of 254267026457 is 754620762452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185213172496 + 69053853961 = 430364^2 + 262781^2 .

It is a cyclic number.

It is not a de Polignac number, because 254267026457 - 2²⁴ = 254250249241 is a prime.

It is not a weakly prime, because it can be changed into another prime (254267026427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127133513228 + 127133513229.

It is an arithmetic number, because the mean of its divisors is an integer number (127133513229).

Almost surely, 2^254267026457 is an apocalyptic number.

It is an amenable number.

254267026457 is a deficient number, since it is larger than the sum of its proper divisors (1).

254267026457 is an equidigital number, since it uses as much as digits as its factorization.

254267026457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 254267026457 in words is "two hundred fifty-four billion, two hundred sixty-seven million, twenty-six thousand, four hundred fifty-seven".