254510423257 has 2 divisors, whose sum is σ = 254510423258. Its totient is φ = 254510423256.

The previous prime is 254510423183. The next prime is 254510423269. The reversal of 254510423257 is 752324015452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209540555536 + 44969867721 = 457756^2 + 212061^2 .

It is a cyclic number.

It is not a de Polignac number, because 254510423257 - 2¹⁵ = 254510390489 is a prime.

It is not a weakly prime, because it can be changed into another prime (254510423357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127255211628 + 127255211629.

It is an arithmetic number, because the mean of its divisors is an integer number (127255211629).

Almost surely, 2^254510423257 is an apocalyptic number.

It is an amenable number.

254510423257 is a deficient number, since it is larger than the sum of its proper divisors (1).

254510423257 is an equidigital number, since it uses as much as digits as its factorization.

254510423257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 254510423257 in words is "two hundred fifty-four billion, five hundred ten million, four hundred twenty-three thousand, two hundred fifty-seven".