11313251 has 4 divisors (see below), whose sum is σ = 11333112. Its totient is φ = 11293392.

The previous prime is 11313209. The next prime is 11313271. The reversal of 11313251 is 15231311.

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

It is a cyclic number.

It is not a de Polignac number, because 11313251 - 2¹⁸ = 11051107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313271) 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, 9050 + ... + 10223.

It is an arithmetic number, because the mean of its divisors is an integer number (2833278).

Almost surely, 2^11313251 is an apocalyptic number.

11313251 is a deficient number, since it is larger than the sum of its proper divisors (19861).

11313251 is an equidigital number, since it uses as much as digits as its factorization.

11313251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19860.

The product of its digits is 90, while the sum is 17.

The square root of 11313251 is about 3363.5176526964. The cubic root of 11313251 is about 224.4893836445.

Adding to 11313251 its reverse (15231311), we get a palindrome (26544562).

The spelling of 11313251 in words is "eleven million, three hundred thirteen thousand, two hundred fifty-one".