11317251 has 12 divisors (see below), whose sum is σ = 16586696. Its totient is φ = 6858720.

The previous prime is 11317247. The next prime is 11317259. The reversal of 11317251 is 15271311.

It is a happy number.

11317251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11317251 - 2² = 11317247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11317259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15226 + ... + 15951.

Almost surely, 2^11317251 is an apocalyptic number.

11317251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11317251 is a deficient number, since it is larger than the sum of its proper divisors (5269445).

11317251 is a wasteful number, since it uses less digits than its factorization.

11317251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31202 (or 31191 counting only the distinct ones).

The product of its digits is 210, while the sum is 21.

The square root of 11317251 is about 3364.1122157265. The cubic root of 11317251 is about 224.5158379245.

Adding to 11317251 its reverse (15271311), we get a palindrome (26588562).

The spelling of 11317251 in words is "eleven million, three hundred seventeen thousand, two hundred fifty-one".