255774039 has 8 divisors (see below), whose sum is σ = 343486080. Its totient is φ = 169289016.

The previous prime is 255773983. The next prime is 255774083. The reversal of 255774039 is 930477552.

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

It is not a de Polignac number, because 255774039 - 2⁸ = 255773783 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255774089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 306267 + ... + 307100.

It is an arithmetic number, because the mean of its divisors is an integer number (42935760).

Almost surely, 2^255774039 is an apocalyptic number.

255774039 is a deficient number, since it is larger than the sum of its proper divisors (87712041).

255774039 is a wasteful number, since it uses less digits than its factorization.

255774039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613509.

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 255774039 is about 15992.9371598840. The cubic root of 255774039 is about 634.7735477066.

The spelling of 255774039 in words is "two hundred fifty-five million, seven hundred seventy-four thousand, thirty-nine".