197263873 has 4 divisors (see below), whose sum is σ = 197302720. Its totient is φ = 197225028.

The previous prime is 197263823. The next prime is 197263877. The reversal of 197263873 is 378362791.

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 197263873 - 2¹⁷ = 197132801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197263877) 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, 10413 + ... + 22426.

It is an arithmetic number, because the mean of its divisors is an integer number (49325680).

Almost surely, 2^197263873 is an apocalyptic number.

It is an amenable number.

197263873 is a deficient number, since it is larger than the sum of its proper divisors (38847).

197263873 is an equidigital number, since it uses as much as digits as its factorization.

197263873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38846.

The product of its digits is 381024, while the sum is 46.

The square root of 197263873 is about 14045.0657883828. The cubic root of 197263873 is about 582.1244651002.

The spelling of 197263873 in words is "one hundred ninety-seven million, two hundred sixty-three thousand, eight hundred seventy-three".