254642119 has 2 divisors, whose sum is σ = 254642120. Its totient is φ = 254642118.

The previous prime is 254642117. The next prime is 254642149. The reversal of 254642119 is 911246452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254642119 - 2¹ = 254642117 is a prime.

It is a super-2 number, since 2×254642119² = 129685217537620322, which contains 22 as substring.

Together with 254642117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254642111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127321059 + 127321060.

It is an arithmetic number, because the mean of its divisors is an integer number (127321060).

Almost surely, 2^254642119 is an apocalyptic number.

254642119 is a deficient number, since it is larger than the sum of its proper divisors (1).

254642119 is an equidigital number, since it uses as much as digits as its factorization.

254642119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 254642119 is about 15957.5097994643. The cubic root of 254642119 is about 633.8357728262.

The spelling of 254642119 in words is "two hundred fifty-four million, six hundred forty-two thousand, one hundred nineteen".