11330257 has 4 divisors (see below), whose sum is σ = 11485540. Its totient is φ = 11174976.

The previous prime is 11330197. The next prime is 11330299. The reversal of 11330257 is 75203311.

11330257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75203311 = 19 ⋅3958069.

It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 9186961 = 1464^2 + 3031^2 .

It is a cyclic number.

It is not a de Polignac number, because 11330257 - 2⁷ = 11330129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11330357) 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, 77532 + ... + 77677.

It is an arithmetic number, because the mean of its divisors is an integer number (2871385).

Almost surely, 2^11330257 is an apocalyptic number.

It is an amenable number.

11330257 is a deficient number, since it is larger than the sum of its proper divisors (155283).

11330257 is an equidigital number, since it uses as much as digits as its factorization.

11330257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155282.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 11330257 is about 3366.0447115272. The cubic root of 11330257 is about 224.6018109553.

Adding to 11330257 its reverse (75203311), we get a palindrome (86533568).

The spelling of 11330257 in words is "eleven million, three hundred thirty thousand, two hundred fifty-seven".