16573201 has 2 divisors, whose sum is σ = 16573202. Its totient is φ = 16573200.

The previous prime is 16573199. The next prime is 16573211. The reversal of 16573201 is 10237561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14250625 + 2322576 = 3775^2 + 1524^2 .

It is a cyclic number.

It is not a de Polignac number, because 16573201 - 2¹ = 16573199 is a prime.

Together with 16573199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16573211) 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, 8286600 + 8286601.

It is an arithmetic number, because the mean of its divisors is an integer number (8286601).

Almost surely, 2^16573201 is an apocalyptic number.

It is an amenable number.

16573201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16573201 is an equidigital number, since it uses as much as digits as its factorization.

16573201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 16573201 is about 4071.0196511439. The cubic root of 16573201 is about 254.9580912801.

The spelling of 16573201 in words is "sixteen million, five hundred seventy-three thousand, two hundred one".