97313217 has 4 divisors (see below), whose sum is σ = 129750960. Its totient is φ = 64875476.

The previous prime is 97313201. The next prime is 97313261. The reversal of 97313217 is 71231379.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 97313217 - 2⁴ = 97313201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97313297) 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 3 ways as a sum of consecutive naturals, for example, 16218867 + ... + 16218872.

It is an arithmetic number, because the mean of its divisors is an integer number (32437740).

Almost surely, 2^97313217 is an apocalyptic number.

It is an amenable number.

97313217 is a deficient number, since it is larger than the sum of its proper divisors (32437743).

97313217 is a wasteful number, since it uses less digits than its factorization.

97313217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32437742.

The product of its digits is 7938, while the sum is 33.

The square root of 97313217 is about 9864.7461700745. The cubic root of 97313217 is about 459.9641071553.

The spelling of 97313217 in words is "ninety-seven million, three hundred thirteen thousand, two hundred seventeen".