254278355 has 4 divisors (see below), whose sum is σ = 305134032. Its totient is φ = 203422680.

The previous prime is 254278303. The next prime is 254278373. The reversal of 254278355 is 553872452.

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

It is not a de Polignac number, because 254278355 - 2⁸ = 254278099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25427831 + ... + 25427840.

It is an arithmetic number, because the mean of its divisors is an integer number (76283508).

Almost surely, 2^254278355 is an apocalyptic number.

254278355 is a deficient number, since it is larger than the sum of its proper divisors (50855677).

254278355 is an equidigital number, since it uses as much as digits as its factorization.

254278355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50855676.

The product of its digits is 336000, while the sum is 41.

The square root of 254278355 is about 15946.1078323207. The cubic root of 254278355 is about 633.5338111101.

The spelling of 254278355 in words is "two hundred fifty-four million, two hundred seventy-eight thousand, three hundred fifty-five".