254312335309 has 2 divisors, whose sum is σ = 254312335310. Its totient is φ = 254312335308.

The previous prime is 254312335273. The next prime is 254312335331. The reversal of 254312335309 is 903533213452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217829425284 + 36482910025 = 466722^2 + 191005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254312335309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254312335399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127156167654 + 127156167655.

It is an arithmetic number, because the mean of its divisors is an integer number (127156167655).

Almost surely, 2^254312335309 is an apocalyptic number.

It is an amenable number.

254312335309 is a deficient number, since it is larger than the sum of its proper divisors (1).

254312335309 is an equidigital number, since it uses as much as digits as its factorization.

254312335309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 254312335309 in words is "two hundred fifty-four billion, three hundred twelve million, three hundred thirty-five thousand, three hundred nine".