254873155 has 4 divisors (see below), whose sum is σ = 305847792. Its totient is φ = 203898520.

The previous prime is 254873153. The next prime is 254873161. The reversal of 254873155 is 551378452.

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

It is not a de Polignac number, because 254873155 - 2¹ = 254873153 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254873153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25487311 + ... + 25487320.

It is an arithmetic number, because the mean of its divisors is an integer number (76461948).

Almost surely, 2^254873155 is an apocalyptic number.

254873155 is a deficient number, since it is larger than the sum of its proper divisors (50974637).

254873155 is an equidigital number, since it uses as much as digits as its factorization.

254873155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50974636.

The product of its digits is 168000, while the sum is 40.

The square root of 254873155 is about 15964.7472576299. The cubic root of 254873155 is about 634.0274072878.

The spelling of 254873155 in words is "two hundred fifty-four million, eight hundred seventy-three thousand, one hundred fifty-five".