197293 has 2 divisors, whose sum is σ = 197294. Its totient is φ = 197292.

The previous prime is 197279. The next prime is 197297. The reversal of 197293 is 392791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149769 + 47524 = 387^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 197293 - 2⁵ = 197261 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98646 + 98647.

It is an arithmetic number, because the mean of its divisors is an integer number (98647).

2¹⁹⁷²⁹³ is an apocalyptic number.

It is an amenable number.

197293 is a deficient number, since it is larger than the sum of its proper divisors (1).

197293 is an equidigital number, since it uses as much as digits as its factorization.

197293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 31.

The square root of 197293 is about 444.1767666144. The cubic root of 197293 is about 58.2153114889.

The spelling of 197293 in words is "one hundred ninety-seven thousand, two hundred ninety-three".