255210105 has 32 divisors (see below), whose sum is σ = 423169920. Its totient is φ = 131256320.

The previous prime is 255210041. The next prime is 255210113. The reversal of 255210105 is 501012552.

It is not a de Polignac number, because 255210105 - 2⁶ = 255210041 is a prime.

It is a super-2 number, since 2×255210105² = 130264395388222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44185 + ... + 49625.

It is an arithmetic number, because the mean of its divisors is an integer number (13224060).

Almost surely, 2^255210105 is an apocalyptic number.

It is an amenable number.

255210105 is a deficient number, since it is larger than the sum of its proper divisors (167959815).

255210105 is a wasteful number, since it uses less digits than its factorization.

255210105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 255210105 is about 15975.2967108596. The cubic root of 255210105 is about 634.3066853725.

Adding to 255210105 its reverse (501012552), we get a palindrome (756222657).

The spelling of 255210105 in words is "two hundred fifty-five million, two hundred ten thousand, one hundred five".