254421113043197 has 2 divisors, whose sum is σ = 254421113043198. Its totient is φ = 254421113043196.

The previous prime is 254421113043151. The next prime is 254421113043221. The reversal of 254421113043197 is 791340311124452.

254421113043197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238299394428601 + 16121718614596 = 15436949^2 + 4015186^2 .

It is a cyclic number.

It is not a de Polignac number, because 254421113043197 - 2³⁸ = 254146235136253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254421113043397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127210556521598 + 127210556521599.

It is an arithmetic number, because the mean of its divisors is an integer number (127210556521599).

Almost surely, 2^{254421113043197} is an apocalyptic number.

It is an amenable number.

254421113043197 is a deficient number, since it is larger than the sum of its proper divisors (1).

254421113043197 is an equidigital number, since it uses as much as digits as its factorization.

254421113043197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 254421113043197 in words is "two hundred fifty-four trillion, four hundred twenty-one billion, one hundred thirteen million, forty-three thousand, one hundred ninety-seven".