11340521 has 2 divisors, whose sum is σ = 11340522. Its totient is φ = 11340520.

The previous prime is 11340503. The next prime is 11340523. The reversal of 11340521 is 12504311.

11340521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 24025 = 3364^2 + 155^2 .

It is an emirp because it is prime and its reverse (12504311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11340521 - 2⁶ = 11340457 is a prime.

Together with 11340523, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11340521.

It is not a weakly prime, because it can be changed into another prime (11340523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670260 + 5670261.

It is an arithmetic number, because the mean of its divisors is an integer number (5670261).

Almost surely, 2^11340521 is an apocalyptic number.

It is an amenable number.

11340521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340521 is an equidigital number, since it uses as much as digits as its factorization.

11340521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11340521 is about 3367.5690044897. The cubic root of 11340521 is about 224.6696122186.

Adding to 11340521 its reverse (12504311), we get a palindrome (23844832).

The spelling of 11340521 in words is "eleven million, three hundred forty thousand, five hundred twenty-one".