254617871 has 2 divisors, whose sum is σ = 254617872. Its totient is φ = 254617870.

The previous prime is 254617859. The next prime is 254617873. The reversal of 254617871 is 178716452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254617871 - 2⁶ = 254617807 is a prime.

Together with 254617873, 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 (254617873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127308935 + 127308936.

It is an arithmetic number, because the mean of its divisors is an integer number (127308936).

Almost surely, 2^254617871 is an apocalyptic number.

254617871 is a deficient number, since it is larger than the sum of its proper divisors (1).

254617871 is an equidigital number, since it uses as much as digits as its factorization.

254617871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 41.

The square root of 254617871 is about 15956.7500137089. The cubic root of 254617871 is about 633.8156534292.

The spelling of 254617871 in words is "two hundred fifty-four million, six hundred seventeen thousand, eight hundred seventy-one".