197090313 has 8 divisors (see below), whose sum is σ = 300328128. Its totient is φ = 112623024.

The previous prime is 197090279. The next prime is 197090353. The reversal of 197090313 is 313090791.

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

It is not a de Polignac number, because 197090313 - 2⁹ = 197089801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197090353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4692606 + ... + 4692647.

It is an arithmetic number, because the mean of its divisors is an integer number (37541016).

Almost surely, 2^197090313 is an apocalyptic number.

It is an amenable number.

197090313 is a deficient number, since it is larger than the sum of its proper divisors (103237815).

197090313 is an equidigital number, since it uses as much as digits as its factorization.

197090313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385263.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 197090313 is about 14038.8857463832. The cubic root of 197090313 is about 581.9536901781.

The spelling of 197090313 in words is "one hundred ninety-seven million, ninety thousand, three hundred thirteen".