11431253 has 4 divisors (see below), whose sum is σ = 11928288. Its totient is φ = 10934220.

The previous prime is 11431247. The next prime is 11431267. The reversal of 11431253 is 35213411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35213411 = 3533 ⋅9967.

It is a cyclic number.

It is not a de Polignac number, because 11431253 - 2²² = 7236949 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 (11431223) 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, 248483 + ... + 248528.

It is an arithmetic number, because the mean of its divisors is an integer number (2982072).

Almost surely, 2^11431253 is an apocalyptic number.

It is an amenable number.

11431253 is a deficient number, since it is larger than the sum of its proper divisors (497035).

11431253 is an equidigital number, since it uses as much as digits as its factorization.

11431253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497034.

The product of its digits is 360, while the sum is 20.

The square root of 11431253 is about 3381.0136054148. The cubic root of 11431253 is about 225.2671920435.

Adding to 11431253 its reverse (35213411), we get a palindrome (46644664).

The spelling of 11431253 in words is "eleven million, four hundred thirty-one thousand, two hundred fifty-three".