97217 has 4 divisors (see below), whose sum is σ = 98736. Its totient is φ = 95700.

The previous prime is 97213. The next prime is 97231. The reversal of 97217 is 71279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71279 = 13 ⋅5483.

It is a cyclic number.

It is not a de Polignac number, because 97217 - 2² = 97213 is a prime.

It is a super-2 number, since 2×97217² = 18902290178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (24684).

2⁹⁷²¹⁷ is an apocalyptic number.

It is an amenable number.

97217 is a deficient number, since it is larger than the sum of its proper divisors (1519).

97217 is a wasteful number, since it uses less digits than its factorization.

97217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its digits is 882, while the sum is 26.

The square root of 97217 is about 311.7964079331. The cubic root of 97217 is about 45.9812462936.

It can be divided in two parts, 972 and 17, that added together give a palindrome (989).

The spelling of 97217 in words is "ninety-seven thousand, two hundred seventeen".