11818025 has 6 divisors (see below), whose sum is σ = 14654382. Its totient is φ = 9454400.

The previous prime is 11818007. The next prime is 11818049. The reversal of 11818025 is 52081811.

It can be written as a sum of positive squares in 3 ways, for example, as 94249 + 11723776 = 307^2 + 3424^2 .

It is not a de Polignac number, because 11818025 - 2⁶ = 11817961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11817985 and 11818003.

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, 236336 + ... + 236385.

It is an arithmetic number, because the mean of its divisors is an integer number (2442397).

Almost surely, 2^11818025 is an apocalyptic number.

It is an amenable number.

11818025 is a deficient number, since it is larger than the sum of its proper divisors (2836357).

11818025 is an equidigital number, since it uses as much as digits as its factorization.

11818025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472731 (or 472726 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 11818025 is about 3437.7354464822. The cubic root of 11818025 is about 227.7796745606.

Adding to 11818025 its reverse (52081811), we get a palindrome (63899836).

The spelling of 11818025 in words is "eleven million, eight hundred eighteen thousand, twenty-five".