16424293 has 2 divisors, whose sum is σ = 16424294. Its totient is φ = 16424292.

The previous prime is 16424273. The next prime is 16424297. The reversal of 16424293 is 39242461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 8025889 = 2898^2 + 2833^2 .

It is an emirp because it is prime and its reverse (39242461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16424293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16424297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212146 + 8212147.

It is an arithmetic number, because the mean of its divisors is an integer number (8212147).

Almost surely, 2^16424293 is an apocalyptic number.

It is an amenable number.

16424293 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424293 is an equidigital number, since it uses as much as digits as its factorization.

16424293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 16424293 is about 4052.6896007466. The cubic root of 16424293 is about 254.1922047378.

The spelling of 16424293 in words is "sixteen million, four hundred twenty-four thousand, two hundred ninety-three".