10505255 has 4 divisors (see below), whose sum is σ = 12606312. Its totient is φ = 8404200.

The previous prime is 10505207. The next prime is 10505263. The reversal of 10505255 is 55250501.

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

It is not a de Polignac number, because 10505255 - 2⁸ = 10504999 is a prime.

It is a super-2 number, since 2×10505255² = 220720765230050, which contains 22 as substring.

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 10505255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050521 + ... + 1050530.

It is an arithmetic number, because the mean of its divisors is an integer number (3151578).

Almost surely, 2^10505255 is an apocalyptic number.

10505255 is a deficient number, since it is larger than the sum of its proper divisors (2101057).

10505255 is an equidigital number, since it uses as much as digits as its factorization.

10505255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101056.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 10505255 is about 3241.1811118788. The cubic root of 10505255 is about 219.0124816528.

Adding to 10505255 its reverse (55250501), we get a palindrome (65755756).

The spelling of 10505255 in words is "ten million, five hundred five thousand, two hundred fifty-five".