254431505350271 has 2 divisors, whose sum is σ = 254431505350272. Its totient is φ = 254431505350270.

The previous prime is 254431505350223. The next prime is 254431505350283. The reversal of 254431505350271 is 172053505134452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254431505350271 - 2⁴⁶ = 184062761172607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254431505358271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127215752675135 + 127215752675136.

It is an arithmetic number, because the mean of its divisors is an integer number (127215752675136).

Almost surely, 2^{254431505350271} is an apocalyptic number.

254431505350271 is a deficient number, since it is larger than the sum of its proper divisors (1).

254431505350271 is an equidigital number, since it uses as much as digits as its factorization.

254431505350271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 254431505350271 in words is "two hundred fifty-four trillion, four hundred thirty-one billion, five hundred five million, three hundred fifty thousand, two hundred seventy-one".