11403253 has 8 divisors (see below), whose sum is σ = 11583000. Its totient is φ = 11225088.

The previous prime is 11403247. The next prime is 11403283. The reversal of 11403253 is 35230411.

It can be written as a sum of positive squares in 4 ways, for example, as 1656369 + 9746884 = 1287^2 + 3122^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11403253 - 2⁵ = 11403221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11403253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25173 + ... + 25621.

It is an arithmetic number, because the mean of its divisors is an integer number (1447875).

Almost surely, 2^11403253 is an apocalyptic number.

It is an amenable number.

11403253 is a deficient number, since it is larger than the sum of its proper divisors (179747).

11403253 is a wasteful number, since it uses less digits than its factorization.

11403253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 11403253 is about 3376.8702965912. The cubic root of 11403253 is about 225.0831166174.

Adding to 11403253 its reverse (35230411), we get a palindrome (46633664).

The spelling of 11403253 in words is "eleven million, four hundred three thousand, two hundred fifty-three".