10205255 has 4 divisors (see below), whose sum is σ = 12246312. Its totient is φ = 8164200.

The previous prime is 10205243. The next prime is 10205257. The reversal of 10205255 is 55250201.

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

It is not a de Polignac number, because 10205255 - 2¹⁰ = 10204231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020521 + ... + 1020530.

It is an arithmetic number, because the mean of its divisors is an integer number (3061578).

Almost surely, 2^10205255 is an apocalyptic number.

10205255 is a deficient number, since it is larger than the sum of its proper divisors (2041057).

10205255 is an equidigital number, since it uses as much as digits as its factorization.

10205255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041056.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 10205255 is about 3194.5664807607. The cubic root of 10205255 is about 216.9075257050.

Adding to 10205255 its reverse (55250201), we get a palindrome (65455456).

The spelling of 10205255 in words is "ten million, two hundred five thousand, two hundred fifty-five".