217480201 has 8 divisors (see below), whose sum is σ = 231240960. Its totient is φ = 203827008.

The previous prime is 217480199. The next prime is 217480217. The reversal of 217480201 is 102084712.

It is a happy number.

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

It is not a de Polignac number, because 217480201 - 2¹ = 217480199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217480271) 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, 22701 + ... + 30826.

It is an arithmetic number, because the mean of its divisors is an integer number (28905120).

Almost surely, 2^217480201 is an apocalyptic number.

It is an amenable number.

217480201 is a deficient number, since it is larger than the sum of its proper divisors (13760759).

217480201 is a wasteful number, since it uses less digits than its factorization.

217480201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53783.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 217480201 is about 14747.2099395106. The cubic root of 217480201 is about 601.3674376378.

The spelling of 217480201 in words is "two hundred seventeen million, four hundred eighty thousand, two hundred one".