254401140053243 has 2 divisors, whose sum is σ = 254401140053244. Its totient is φ = 254401140053242.

The previous prime is 254401140053189. The next prime is 254401140053257. The reversal of 254401140053243 is 342350041104452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254401140053243 - 2²⁰ = 254401139004667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254401140053197 and 254401140053206.

It is not a weakly prime, because it can be changed into another prime (254401140053843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127200570026621 + 127200570026622.

It is an arithmetic number, because the mean of its divisors is an integer number (127200570026622).

Almost surely, 2^{254401140053243} is an apocalyptic number.

254401140053243 is a deficient number, since it is larger than the sum of its proper divisors (1).

254401140053243 is an equidigital number, since it uses as much as digits as its factorization.

254401140053243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 254401140053243 its reverse (342350041104452), we get a palindrome (596751181157695).

The spelling of 254401140053243 in words is "two hundred fifty-four trillion, four hundred one billion, one hundred forty million, fifty-three thousand, two hundred forty-three".