197375803 has 4 divisors (see below), whose sum is σ = 198073528. Its totient is φ = 196678080.

The previous prime is 197375779. The next prime is 197375807. The reversal of 197375803 is 308573791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308573791 = 53 ⋅5822147.

It is a cyclic number.

It is not a de Polignac number, because 197375803 - 2⁹ = 197375291 is a prime.

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 197375803.

It is not an unprimeable number, because it can be changed into a prime (197375807) 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, 348438 + ... + 349003.

It is an arithmetic number, because the mean of its divisors is an integer number (49518382).

Almost surely, 2^197375803 is an apocalyptic number.

197375803 is a deficient number, since it is larger than the sum of its proper divisors (697725).

197375803 is an equidigital number, since it uses as much as digits as its factorization.

197375803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697724.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 197375803 is about 14049.0498967012. The cubic root of 197375803 is about 582.2345458609.

The spelling of 197375803 in words is "one hundred ninety-seven million, three hundred seventy-five thousand, eight hundred three".