254456887 has 2 divisors, whose sum is σ = 254456888. Its totient is φ = 254456886.

The previous prime is 254456879. The next prime is 254456941. The reversal of 254456887 is 788654452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254456887 - 2³ = 254456879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254456887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254456857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127228443 + 127228444.

It is an arithmetic number, because the mean of its divisors is an integer number (127228444).

Almost surely, 2^254456887 is an apocalyptic number.

254456887 is a deficient number, since it is larger than the sum of its proper divisors (1).

254456887 is an equidigital number, since it uses as much as digits as its factorization.

254456887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2150400, while the sum is 49.

The square root of 254456887 is about 15951.7048305189. The cubic root of 254456887 is about 633.6820470825.

The spelling of 254456887 in words is "two hundred fifty-four million, four hundred fifty-six thousand, eight hundred eighty-seven".