11257243 has 2 divisors, whose sum is σ = 11257244. Its totient is φ = 11257242.

The previous prime is 11257241. The next prime is 11257313. The reversal of 11257243 is 34275211.

It is a happy number.

11257243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34275211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11257243 - 2¹ = 11257241 is a prime.

It is a super-2 number, since 2×11257243² = 253451039922098, which contains 22 as substring.

Together with 11257241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11257241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628621 + 5628622.

It is an arithmetic number, because the mean of its divisors is an integer number (5628622).

Almost surely, 2^11257243 is an apocalyptic number.

11257243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11257243 is an equidigital number, since it uses as much as digits as its factorization.

11257243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 11257243 is about 3355.1815152090. The cubic root of 11257243 is about 224.1183141444.

The spelling of 11257243 in words is "eleven million, two hundred fifty-seven thousand, two hundred forty-three".