215266201 has 8 divisors (see below), whose sum is σ = 222430208. Its totient is φ = 208116000.

The previous prime is 215266199. The next prime is 215266211. The reversal of 215266201 is 102662512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215266201 - 2¹ = 215266199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215266211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35341 + ... + 40981.

It is an arithmetic number, because the mean of its divisors is an integer number (27803776).

Almost surely, 2^215266201 is an apocalyptic number.

It is an amenable number.

215266201 is a deficient number, since it is larger than the sum of its proper divisors (7164007).

215266201 is a wasteful number, since it uses less digits than its factorization.

215266201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 215266201 is about 14671.9528693354. The cubic root of 215266201 is about 599.3197856202.

The spelling of 215266201 in words is "two hundred fifteen million, two hundred sixty-six thousand, two hundred one".