255243107 has 10 divisors (see below), whose sum is σ = 297768708. Its totient is φ = 218777748.

The previous prime is 255243101. The next prime is 255243139. The reversal of 255243107 is 701342552.

It is a happy number.

It is not a de Polignac number, because 255243107 - 2⁴ = 255243091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255243107.

It is not an unprimeable number, because it can be changed into a prime (255243101) 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 in 9 ways as a sum of consecutive naturals, for example, 50753 + ... + 55554.

Almost surely, 2^255243107 is an apocalyptic number.

255243107 is a deficient number, since it is larger than the sum of its proper divisors (42525601).

255243107 is an frugal number, since it uses more digits than its factorization.

255243107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106335 (or 106314 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 255243107 is about 15976.3295847325. The cubic root of 255243107 is about 634.3340255739.

Adding to 255243107 its reverse (701342552), we get a palindrome (956585659).

The spelling of 255243107 in words is "two hundred fifty-five million, two hundred forty-three thousand, one hundred seven".