254452391 has 2 divisors, whose sum is σ = 254452392. Its totient is φ = 254452390.

The previous prime is 254452369. The next prime is 254452423. The reversal of 254452391 is 193254452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254452391 - 2⁶ = 254452327 is a prime.

It is a super-5 number, since 5×254452391⁵ (a number of 43 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254452361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127226195 + 127226196.

It is an arithmetic number, because the mean of its divisors is an integer number (127226196).

Almost surely, 2^254452391 is an apocalyptic number.

254452391 is a deficient number, since it is larger than the sum of its proper divisors (1).

254452391 is an equidigital number, since it uses as much as digits as its factorization.

254452391 is an odious number, because the sum of its binary digits is odd.

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

The square root of 254452391 is about 15951.5639045205. The cubic root of 254452391 is about 633.6783148834.

The spelling of 254452391 in words is "two hundred fifty-four million, four hundred fifty-two thousand, three hundred ninety-one".