16201201 has 2 divisors, whose sum is σ = 16201202. Its totient is φ = 16201200.

The previous prime is 16201181. The next prime is 16201219. The reversal of 16201201 is 10210261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16200625 + 576 = 4025^2 + 24^2 .

It is a cyclic number.

It is not a de Polignac number, because 16201201 - 2¹⁵ = 16168433 is a prime.

It is not a weakly prime, because it can be changed into another prime (16201261) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100600 + 8100601.

It is an arithmetic number, because the mean of its divisors is an integer number (8100601).

Almost surely, 2^16201201 is an apocalyptic number.

It is an amenable number.

16201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16201201 is an equidigital number, since it uses as much as digits as its factorization.

16201201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 16201201 is about 4025.0715521590. The cubic root of 16201201 is about 253.0360522918.

Adding to 16201201 its reverse (10210261), we get a palindrome (26411462).

The spelling of 16201201 in words is "sixteen million, two hundred one thousand, two hundred one".