10817825 has 6 divisors (see below), whose sum is σ = 13414134. Its totient is φ = 8654240.

The previous prime is 10817819. The next prime is 10817837. The reversal of 10817825 is 52871801.

It is a happy number.

10817825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 13456 + 10804369 = 116^2 + 3287^2 .

It is not a de Polignac number, because 10817825 - 2¹² = 10813729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10817791 and 10817800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216332 + ... + 216381.

It is an arithmetic number, because the mean of its divisors is an integer number (2235689).

Almost surely, 2^10817825 is an apocalyptic number.

It is an amenable number.

10817825 is a deficient number, since it is larger than the sum of its proper divisors (2596309).

10817825 is an equidigital number, since it uses as much as digits as its factorization.

10817825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432723 (or 432718 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 10817825 is about 3289.0462143302. The cubic root of 10817825 is about 221.1634302279.

The spelling of 10817825 in words is "ten million, eight hundred seventeen thousand, eight hundred twenty-five".