16957201 has 2 divisors, whose sum is σ = 16957202. Its totient is φ = 16957200.

The previous prime is 16957189. The next prime is 16957247. The reversal of 16957201 is 10275961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10732176 + 6225025 = 3276^2 + 2495^2 .

It is an emirp because it is prime and its reverse (10275961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16957201 - 2¹¹ = 16955153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16957261) 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, 8478600 + 8478601.

It is an arithmetic number, because the mean of its divisors is an integer number (8478601).

Almost surely, 2^16957201 is an apocalyptic number.

It is an amenable number.

16957201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16957201 is an equidigital number, since it uses as much as digits as its factorization.

16957201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 16957201 is about 4117.9122137316. The cubic root of 16957201 is about 256.9121967869.

The spelling of 16957201 in words is "sixteen million, nine hundred fifty-seven thousand, two hundred one".