16242133 has 2 divisors, whose sum is σ = 16242134. Its totient is φ = 16242132.

The previous prime is 16242103. The next prime is 16242137. The reversal of 16242133 is 33124261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 3411409 = 3582^2 + 1847^2 .

It is a cyclic number.

It is not a de Polignac number, because 16242133 - 2⁵ = 16242101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16242137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8121066 + 8121067.

It is an arithmetic number, because the mean of its divisors is an integer number (8121067).

Almost surely, 2^16242133 is an apocalyptic number.

It is an amenable number.

16242133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16242133 is an equidigital number, since it uses as much as digits as its factorization.

16242133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 16242133 is about 4030.1529747641. The cubic root of 16242133 is about 253.2489698698.

Adding to 16242133 its reverse (33124261), we get a palindrome (49366394).

The spelling of 16242133 in words is "sixteen million, two hundred forty-two thousand, one hundred thirty-three".