197573 has 2 divisors, whose sum is σ = 197574. Its totient is φ = 197572.

The previous prime is 197569. The next prime is 197597. The reversal of 197573 is 375791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 2209 = 442^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 197573 - 2² = 197569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98786 + 98787.

It is an arithmetic number, because the mean of its divisors is an integer number (98787).

2¹⁹⁷⁵⁷³ is an apocalyptic number.

It is an amenable number.

197573 is a deficient number, since it is larger than the sum of its proper divisors (1).

197573 is an equidigital number, since it uses as much as digits as its factorization.

197573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6615, while the sum is 32.

The square root of 197573 is about 444.4918446946. The cubic root of 197573 is about 58.2428383687.

It can be divided in two parts, 1975 and 73, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 197573 in words is "one hundred ninety-seven thousand, five hundred seventy-three".