215319201 has 16 divisors (see below), whose sum is σ = 291345600. Its totient is φ = 141435648.

The previous prime is 215319199. The next prime is 215319217. The reversal of 215319201 is 102913512.

It is not a de Polignac number, because 215319201 - 2¹ = 215319199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215319241) 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, 55245 + ... + 59013.

It is an arithmetic number, because the mean of its divisors is an integer number (18209100).

Almost surely, 2^215319201 is an apocalyptic number.

215319201 is the 9281-st centered pentagonal number.

It is an amenable number.

215319201 is a deficient number, since it is larger than the sum of its proper divisors (76026399).

215319201 is a wasteful number, since it uses less digits than its factorization.

215319201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 215319201 is about 14673.7589253742. The cubic root of 215319201 is about 599.3689671174.

The spelling of 215319201 in words is "two hundred fifteen million, three hundred nineteen thousand, two hundred one".