254116985 has 4 divisors (see below), whose sum is σ = 304940388. Its totient is φ = 203293584.

The previous prime is 254116981. The next prime is 254116991. The reversal of 254116985 is 589611452.

254116985 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 can be written as a sum of positive squares in 2 ways, for example, as 39904489 + 214212496 = 6317^2 + 14636^2 .

It is a cyclic number.

It is not a de Polignac number, because 254116985 - 2² = 254116981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254116981) 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, 25411694 + ... + 25411703.

It is an arithmetic number, because the mean of its divisors is an integer number (76235097).

Almost surely, 2^254116985 is an apocalyptic number.

It is an amenable number.

254116985 is a deficient number, since it is larger than the sum of its proper divisors (50823403).

254116985 is an equidigital number, since it uses as much as digits as its factorization.

254116985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50823402.

The product of its digits is 86400, while the sum is 41.

The square root of 254116985 is about 15941.0471738842. The cubic root of 254116985 is about 633.3997651153.

The spelling of 254116985 in words is "two hundred fifty-four million, one hundred sixteen thousand, nine hundred eighty-five".