254890291 has 4 divisors (see below), whose sum is σ = 254977632. Its totient is φ = 254802952.

The previous prime is 254890271. The next prime is 254890319. The reversal of 254890291 is 192098452.

254890291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254890291 - 2¹¹ = 254888243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254890201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39136 + ... + 45181.

It is an arithmetic number, because the mean of its divisors is an integer number (63744408).

Almost surely, 2^254890291 is an apocalyptic number.

254890291 is a deficient number, since it is larger than the sum of its proper divisors (87341).

254890291 is an equidigital number, since it uses as much as digits as its factorization.

254890291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87340.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 254890291 is about 15965.2839310800. The cubic root of 254890291 is about 634.0416162514.

The spelling of 254890291 in words is "two hundred fifty-four million, eight hundred ninety thousand, two hundred ninety-one".