16609301 has 2 divisors, whose sum is σ = 16609302. Its totient is φ = 16609300.

The previous prime is 16609297. The next prime is 16609303. The reversal of 16609301 is 10390661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 4844401 = 3430^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 16609301 - 2² = 16609297 is a prime.

Together with 16609303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16609303) 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, 8304650 + 8304651.

It is an arithmetic number, because the mean of its divisors is an integer number (8304651).

Almost surely, 2^16609301 is an apocalyptic number.

It is an amenable number.

16609301 is a deficient number, since it is larger than the sum of its proper divisors (1).

16609301 is an equidigital number, since it uses as much as digits as its factorization.

16609301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 16609301 is about 4075.4510179856. The cubic root of 16609301 is about 255.1430749055.

Adding to 16609301 its reverse (10390661), we get a palindrome (26999962).

The spelling of 16609301 in words is "sixteen million, six hundred nine thousand, three hundred one".