254480891 has 16 divisors (see below), whose sum is σ = 307550208. Its totient is φ = 205934400.

The previous prime is 254480879. The next prime is 254480893. The reversal of 254480891 is 198084452.

It is a de Polignac number, because none of the positive numbers 2^k-254480891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (254480893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5405 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (19221888).

Almost surely, 2^254480891 is an apocalyptic number.

254480891 is a deficient number, since it is larger than the sum of its proper divisors (53069317).

254480891 is a wasteful number, since it uses less digits than its factorization.

254480891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28682.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 254480891 is about 15952.4572088440. The cubic root of 254480891 is about 633.7019724298.

The spelling of 254480891 in words is "two hundred fifty-four million, four hundred eighty thousand, eight hundred ninety-one".