10505256 has 16 divisors (see below), whose sum is σ = 26263200. Its totient is φ = 3501744.

The previous prime is 10505207. The next prime is 10505263. The reversal of 10505256 is 65250501.

It is a super-2 number, since 2×10505256² = 220720807251072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 437719 = 10505256 / (1 + 0 + 5 + 0 + 5 + 2 + 5 + 6).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218836 + ... + 218883.

It is an arithmetic number, because the mean of its divisors is an integer number (1641450).

Almost surely, 2^10505256 is an apocalyptic number.

It is an amenable number.

10505256 is an abundant number, since it is smaller than the sum of its proper divisors (15757944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505256 is a wasteful number, since it uses less digits than its factorization.

10505256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437728 (or 437724 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 10505256 is about 3241.1812661436. The cubic root of 10505256 is about 219.0124886021.

Adding to 10505256 its reverse (65250501), we get a palindrome (75755757).

The spelling of 10505256 in words is "ten million, five hundred five thousand, two hundred fifty-six".