255276842 has 4 divisors (see below), whose sum is σ = 382915266. Its totient is φ = 127638420.

The previous prime is 255276841. The next prime is 255276859. The reversal of 255276842 is 248672552.

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

It can be written as a sum of positive squares in only one way, i.e., 231374521 + 23902321 = 15211^2 + 4889^2 .

It is a super-2 number, since 2×255276842² = 130332532122985928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255276842.

It is not an unprimeable number, because it can be changed into a prime (255276841) 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 as a sum of consecutive naturals, namely, 63819209 + ... + 63819212.

Almost surely, 2^255276842 is an apocalyptic number.

255276842 is a deficient number, since it is larger than the sum of its proper divisors (127638424).

255276842 is a wasteful number, since it uses less digits than its factorization.

255276842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127638423.

The product of its digits is 268800, while the sum is 41.

The square root of 255276842 is about 15977.3853305226. The cubic root of 255276842 is about 634.3619705867.

The spelling of 255276842 in words is "two hundred fifty-five million, two hundred seventy-six thousand, eight hundred forty-two".