217264053 has 8 divisors (see below), whose sum is σ = 291800448. Its totient is φ = 143785184.

The previous prime is 217264051. The next prime is 217264093. The reversal of 217264053 is 350462712.

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 217264053 - 2¹ = 217264051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 217264053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217264051) 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, 263901 + ... + 264722.

It is an arithmetic number, because the mean of its divisors is an integer number (36475056).

Almost surely, 2^217264053 is an apocalyptic number.

It is an amenable number.

217264053 is a deficient number, since it is larger than the sum of its proper divisors (74536395).

217264053 is a wasteful number, since it uses less digits than its factorization.

217264053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528763.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 217264053 is about 14739.8796806487. The cubic root of 217264053 is about 601.1681437023.

The spelling of 217264053 in words is "two hundred seventeen million, two hundred sixty-four thousand, fifty-three".