11542217 has 2 divisors, whose sum is σ = 11542218. Its totient is φ = 11542216.

The previous prime is 11542211. The next prime is 11542231. The reversal of 11542217 is 71224511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 5470921 = 2464^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 11542217 - 2²² = 7347913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11542192 and 11542201.

It is not a weakly prime, because it can be changed into another prime (11542211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771108 + 5771109.

It is an arithmetic number, because the mean of its divisors is an integer number (5771109).

Almost surely, 2^11542217 is an apocalyptic number.

It is an amenable number.

11542217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542217 is an equidigital number, since it uses as much as digits as its factorization.

11542217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 560, while the sum is 23.

The square root of 11542217 is about 3397.3838464324. The cubic root of 11542217 is about 225.9937411794.

Adding to 11542217 its reverse (71224511), we get a palindrome (82766728).

The spelling of 11542217 in words is "eleven million, five hundred forty-two thousand, two hundred seventeen".