254254391 has 2 divisors, whose sum is σ = 254254392. Its totient is φ = 254254390.

The previous prime is 254254379. The next prime is 254254393. The reversal of 254254391 is 193452452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254254391 - 2²² = 250060087 is a prime.

Together with 254254393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254254393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127127195 + 127127196.

It is an arithmetic number, because the mean of its divisors is an integer number (127127196).

Almost surely, 2^254254391 is an apocalyptic number.

254254391 is a deficient number, since it is larger than the sum of its proper divisors (1).

254254391 is an equidigital number, since it uses as much as digits as its factorization.

254254391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 254254391 is about 15945.3564086853. The cubic root of 254254391 is about 633.5139084052.

The spelling of 254254391 in words is "two hundred fifty-four million, two hundred fifty-four thousand, three hundred ninety-one".