11522437 has 2 divisors, whose sum is σ = 11522438. Its totient is φ = 11522436.

The previous prime is 11522431. The next prime is 11522449. The reversal of 11522437 is 73422511.

It is a happy number.

11522437 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 can be written as a sum of positive squares in only one way, i.e., 8473921 + 3048516 = 2911^2 + 1746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11522437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11522431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761218 + 5761219.

It is an arithmetic number, because the mean of its divisors is an integer number (5761219).

Almost surely, 2^11522437 is an apocalyptic number.

It is an amenable number.

11522437 is a deficient number, since it is larger than the sum of its proper divisors (1).

11522437 is an equidigital number, since it uses as much as digits as its factorization.

11522437 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11522437 is about 3394.4715347164. The cubic root of 11522437 is about 225.8645715364.

Adding to 11522437 its reverse (73422511), we get a palindrome (84944948).

The spelling of 11522437 in words is "eleven million, five hundred twenty-two thousand, four hundred thirty-seven".