11553253 has 4 divisors (see below), whose sum is σ = 11560428. Its totient is φ = 11546080.

The previous prime is 11553247. The next prime is 11553257. The reversal of 11553253 is 35235511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35235511 = 2347 ⋅15013.

It can be written as a sum of positive squares in 2 ways, for example, as 1555009 + 9998244 = 1247^2 + 3162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11553253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75 + ... + 4807.

It is an arithmetic number, because the mean of its divisors is an integer number (2890107).

Almost surely, 2^11553253 is an apocalyptic number.

It is an amenable number.

11553253 is a deficient number, since it is larger than the sum of its proper divisors (7175).

11553253 is an equidigital number, since it uses as much as digits as its factorization.

11553253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174.

The product of its digits is 2250, while the sum is 25.

The square root of 11553253 is about 3399.0076493000. The cubic root of 11553253 is about 226.0657456148.

Adding to 11553253 its reverse (35235511), we get a palindrome (46788764).

The spelling of 11553253 in words is "eleven million, five hundred fifty-three thousand, two hundred fifty-three".