217034 has 4 divisors (see below), whose sum is σ = 325554. Its totient is φ = 108516.

The previous prime is 217033. The next prime is 217057. The reversal of 217034 is 430712.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 61009 = 395^2 + 247^2 .

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 217034.

It is not an unprimeable number, because it can be changed into a prime (217033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54257 + ... + 54260.

2²¹⁷⁰³⁴ is an apocalyptic number.

217034 is a deficient number, since it is larger than the sum of its proper divisors (108520).

217034 is a wasteful number, since it uses less digits than its factorization.

217034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108519.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 217034 is about 465.8690803219. The cubic root of 217034 is about 60.0955883742.

Adding to 217034 its reverse (430712), we get a palindrome (647746).

The spelling of 217034 in words is "two hundred seventeen thousand, thirty-four".