197713 has 2 divisors, whose sum is σ = 197714. Its totient is φ = 197712.

The previous prime is 197711. The next prime is 197741. The reversal of 197713 is 317791.

It is a happy number.

It is an a-pointer prime, because the next prime (197741) can be obtained adding 197713 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154449 + 43264 = 393^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 197713 - 2¹ = 197711 is a prime.

Together with 197711, it forms a pair of twin primes.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (197711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98856 + 98857.

It is an arithmetic number, because the mean of its divisors is an integer number (98857).

2¹⁹⁷⁷¹³ is an apocalyptic number.

It is an amenable number.

197713 is a deficient number, since it is larger than the sum of its proper divisors (1).

197713 is an equidigital number, since it uses as much as digits as its factorization.

197713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323, while the sum is 28.

The square root of 197713 is about 444.6493000107. The cubic root of 197713 is about 58.2565920567.

The spelling of 197713 in words is "one hundred ninety-seven thousand, seven hundred thirteen".