11563253 has 4 divisors (see below), whose sum is σ = 12452748. Its totient is φ = 10673760.

The previous prime is 11563249. The next prime is 11563261. The reversal of 11563253 is 35236511.

11563253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5793649 + 5769604 = 2407^2 + 2402^2 .

It is a cyclic number.

It is not a de Polignac number, because 11563253 - 2² = 11563249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11563243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444728 + ... + 444753.

It is an arithmetic number, because the mean of its divisors is an integer number (3113187).

Almost surely, 2^11563253 is an apocalyptic number.

11563253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11563253 is a deficient number, since it is larger than the sum of its proper divisors (889495).

11563253 is an equidigital number, since it uses as much as digits as its factorization.

11563253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889494.

The product of its digits is 2700, while the sum is 26.

The square root of 11563253 is about 3400.4783487033. The cubic root of 11563253 is about 226.1309510748.

Adding to 11563253 its reverse (35236511), we get a palindrome (46799764).

The spelling of 11563253 in words is "eleven million, five hundred sixty-three thousand, two hundred fifty-three".