254005326557 has 2 divisors, whose sum is σ = 254005326558. Its totient is φ = 254005326556.

The previous prime is 254005326529. The next prime is 254005326571. The reversal of 254005326557 is 755623500452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206353056121 + 47652270436 = 454261^2 + 218294^2 .

It is a cyclic number.

It is not a de Polignac number, because 254005326557 - 2¹⁰ = 254005325533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254005326517) 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, 127002663278 + 127002663279.

It is an arithmetic number, because the mean of its divisors is an integer number (127002663279).

Almost surely, 2^254005326557 is an apocalyptic number.

It is an amenable number.

254005326557 is a deficient number, since it is larger than the sum of its proper divisors (1).

254005326557 is an equidigital number, since it uses as much as digits as its factorization.

254005326557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 44.

The spelling of 254005326557 in words is "two hundred fifty-four billion, five million, three hundred twenty-six thousand, five hundred fifty-seven".