10890925 has 6 divisors (see below), whose sum is σ = 13504778. Its totient is φ = 8712720.

The previous prime is 10890923. The next prime is 10890941. The reversal of 10890925 is 52909801.

It can be written as a sum of positive squares in 3 ways, for example, as 2579236 + 8311689 = 1606^2 + 2883^2 .

It is not a de Polignac number, because 10890925 - 2¹ = 10890923 is a prime.

It is a super-2 number, since 2×10890925² = 237224494711250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10890923) 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 5 ways as a sum of consecutive naturals, for example, 217794 + ... + 217843.

Almost surely, 2^10890925 is an apocalyptic number.

It is an amenable number.

10890925 is a deficient number, since it is larger than the sum of its proper divisors (2613853).

10890925 is an equidigital number, since it uses as much as digits as its factorization.

10890925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435647 (or 435642 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 10890925 is about 3300.1401485391. The cubic root of 10890925 is about 221.6604730652.

The spelling of 10890925 in words is "ten million, eight hundred ninety thousand, nine hundred twenty-five".