97309193 has 4 divisors (see below), whose sum is σ = 97563648. Its totient is φ = 97054740.

The previous prime is 97309189. The next prime is 97309229. The reversal of 97309193 is 39190379.

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 97309193 - 2² = 97309189 is a prime.

It is a super-2 number, since 2×97309193² = 18938158084622498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97309193.

It is not an unprimeable number, because it can be changed into a prime (97309103) 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, 126653 + ... + 127418.

It is an arithmetic number, because the mean of its divisors is an integer number (24390912).

Almost surely, 2^97309193 is an apocalyptic number.

It is an amenable number.

97309193 is a deficient number, since it is larger than the sum of its proper divisors (254455).

97309193 is a wasteful number, since it uses less digits than its factorization.

97309193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254454.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 97309193 is about 9864.5422093476. The cubic root of 97309193 is about 459.9577670742.

The spelling of 97309193 in words is "ninety-seven million, three hundred nine thousand, one hundred ninety-three".