254990109 has 8 divisors (see below), whose sum is σ = 370894752. Its totient is φ = 154539440.

The previous prime is 254990093. The next prime is 254990119. The reversal of 254990109 is 901099452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 254990109 - 2⁴ = 254990093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254990119) 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 7 ways as a sum of consecutive naturals, for example, 3863454 + ... + 3863519.

It is an arithmetic number, because the mean of its divisors is an integer number (46361844).

Almost surely, 2^254990109 is an apocalyptic number.

It is an amenable number.

254990109 is a deficient number, since it is larger than the sum of its proper divisors (115904643).

254990109 is a wasteful number, since it uses less digits than its factorization.

254990109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726987.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 254990109 is about 15968.4097204449. The cubic root of 254990109 is about 634.1243714714.

The spelling of 254990109 in words is "two hundred fifty-four million, nine hundred ninety thousand, one hundred nine".