11644025 has 6 divisors (see below), whose sum is σ = 14438622. Its totient is φ = 9315200.

The previous prime is 11644021. The next prime is 11644033. The reversal of 11644025 is 52044611.

It can be written as a sum of positive squares in 3 ways, for example, as 727609 + 10916416 = 853^2 + 3304^2 .

It is not a de Polignac number, because 11644025 - 2² = 11644021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11644021) 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, 232856 + ... + 232905.

It is an arithmetic number, because the mean of its divisors is an integer number (2406437).

Almost surely, 2^11644025 is an apocalyptic number.

It is an amenable number.

11644025 is a deficient number, since it is larger than the sum of its proper divisors (2794597).

11644025 is an equidigital number, since it uses as much as digits as its factorization.

11644025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465771 (or 465766 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 11644025 is about 3412.3342450587. The cubic root of 11644025 is about 226.6562555291.

Adding to 11644025 its reverse (52044611), we get a palindrome (63688636).

The spelling of 11644025 in words is "eleven million, six hundred forty-four thousand, twenty-five".