255525278 has 4 divisors (see below), whose sum is σ = 383287920. Its totient is φ = 127762638.

The previous prime is 255525271. The next prime is 255525287. The reversal of 255525278 is 872525552.

255525278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255525271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63881318 + ... + 63881321.

It is an arithmetic number, because the mean of its divisors is an integer number (95821980).

Almost surely, 2^255525278 is an apocalyptic number.

255525278 is a deficient number, since it is larger than the sum of its proper divisors (127762642).

255525278 is a wasteful number, since it uses less digits than its factorization.

255525278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127762641.

The product of its digits is 280000, while the sum is 41.

The square root of 255525278 is about 15985.1580536446. The cubic root of 255525278 is about 634.5676913666.

The spelling of 255525278 in words is "two hundred fifty-five million, five hundred twenty-five thousand, two hundred seventy-eight".