217474053 has 8 divisors (see below), whose sum is σ = 290367168. Its totient is φ = 144781824.

The previous prime is 217474051. The next prime is 217474063. The reversal of 217474053 is 350474712.

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

It is not a de Polignac number, because 217474053 - 2¹ = 217474051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217474051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47676 + ... + 52037.

It is an arithmetic number, because the mean of its divisors is an integer number (36295896).

Almost surely, 2^217474053 is an apocalyptic number.

It is an amenable number.

217474053 is a deficient number, since it is larger than the sum of its proper divisors (72893115).

217474053 is an equidigital number, since it uses as much as digits as its factorization.

217474053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100443.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 217474053 is about 14747.0014918288. The cubic root of 217474053 is about 601.3617708509.

The spelling of 217474053 in words is "two hundred seventeen million, four hundred seventy-four thousand, fifty-three".