197051 has 4 divisors (see below), whose sum is σ = 199104. Its totient is φ = 195000.

The previous prime is 197033. The next prime is 197059. The reversal of 197051 is 150791.

197051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197051 - 2¹⁴ = 180667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197059) 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, 875 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (49776).

2¹⁹⁷⁰⁵¹ is an apocalyptic number.

197051 is a deficient number, since it is larger than the sum of its proper divisors (2053).

197051 is a wasteful number, since it uses less digits than its factorization.

197051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 197051 is about 443.9042689590. The cubic root of 197051 is about 58.1914994099.

The spelling of 197051 in words is "one hundred ninety-seven thousand, fifty-one".