215328201 has 16 divisors (see below), whose sum is σ = 323309568. Its totient is φ = 126291600.

The previous prime is 215328181. The next prime is 215328209. The reversal of 215328201 is 102823512.

It is not a de Polignac number, because 215328201 - 2²¹ = 213231049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (215328209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104221 + ... + 106266.

It is an arithmetic number, because the mean of its divisors is an integer number (20206848).

Almost surely, 2^215328201 is an apocalyptic number.

It is an amenable number.

215328201 is a deficient number, since it is larger than the sum of its proper divisors (107981367).

215328201 is a wasteful number, since it uses less digits than its factorization.

215328201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210532.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 215328201 is about 14674.0655920573. The cubic root of 215328201 is about 599.3773178908.

The spelling of 215328201 in words is "two hundred fifteen million, three hundred twenty-eight thousand, two hundred one".