11573825 has 6 divisors (see below), whose sum is σ = 14351574. Its totient is φ = 9259040.

The previous prime is 11573803. The next prime is 11573833. The reversal of 11573825 is 52837511.

It can be written as a sum of positive squares in 3 ways, for example, as 3094081 + 8479744 = 1759^2 + 2912^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11573825 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11573791 and 11573800.

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, 231452 + ... + 231501.

It is an arithmetic number, because the mean of its divisors is an integer number (2391929).

Almost surely, 2^11573825 is an apocalyptic number.

It is an amenable number.

11573825 is a deficient number, since it is larger than the sum of its proper divisors (2777749).

11573825 is an equidigital number, since it uses as much as digits as its factorization.

11573825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462963 (or 462958 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 11573825 is about 3402.0324807385. The cubic root of 11573825 is about 226.1998454194.

The spelling of 11573825 in words is "eleven million, five hundred seventy-three thousand, eight hundred twenty-five".