11263381 has 2 divisors, whose sum is σ = 11263382. Its totient is φ = 11263380.

The previous prime is 11263379. The next prime is 11263387. The reversal of 11263381 is 18336211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 2353156 = 2985^2 + 1534^2 .

It is a cyclic number.

It is not a de Polignac number, because 11263381 - 2¹ = 11263379 is a prime.

It is a super-2 number, since 2×11263381² = 253727503102322, which contains 22 as substring.

Together with 11263379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11263387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5631690 + 5631691.

It is an arithmetic number, because the mean of its divisors is an integer number (5631691).

Almost surely, 2^11263381 is an apocalyptic number.

It is an amenable number.

11263381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11263381 is an equidigital number, since it uses as much as digits as its factorization.

11263381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 11263381 is about 3356.0960951677. The cubic root of 11263381 is about 224.1590401690.

Adding to 11263381 its reverse (18336211), we get a palindrome (29599592).

The spelling of 11263381 in words is "eleven million, two hundred sixty-three thousand, three hundred eighty-one".