254903391 has 6 divisors (see below), whose sum is σ = 368193800. Its totient is φ = 169935588.

The previous prime is 254903381. The next prime is 254903393. The reversal of 254903391 is 193309452.

It is a happy number.

It is not a de Polignac number, because 254903391 - 2⁷ = 254903263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254903393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14161291 + ... + 14161308.

Almost surely, 2^254903391 is an apocalyptic number.

254903391 is a deficient number, since it is larger than the sum of its proper divisors (113290409).

254903391 is a wasteful number, since it uses less digits than its factorization.

254903391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28322605 (or 28322602 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 254903391 is about 15965.6941909834. The cubic root of 254903391 is about 634.0524781832.

The spelling of 254903391 in words is "two hundred fifty-four million, nine hundred three thousand, three hundred ninety-one".