254489291 has 12 divisors (see below), whose sum is σ = 296303328. Its totient is φ = 217938672.

The previous prime is 254489281. The next prime is 254489327. The reversal of 254489291 is 192984452.

It is not a de Polignac number, because 254489291 - 2²² = 250294987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254489231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90590 + ... + 93356.

It is an arithmetic number, because the mean of its divisors is an integer number (24691944).

Almost surely, 2^254489291 is an apocalyptic number.

254489291 is a deficient number, since it is larger than the sum of its proper divisors (41814037).

254489291 is a wasteful number, since it uses less digits than its factorization.

254489291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4651 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 254489291 is about 15952.7204889950. The cubic root of 254489291 is about 633.7089448433.

The spelling of 254489291 in words is "two hundred fifty-four million, four hundred eighty-nine thousand, two hundred ninety-one".