197453 has 2 divisors, whose sum is σ = 197454. Its totient is φ = 197452.

The previous prime is 197441. The next prime is 197479. The reversal of 197453 is 354791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 51529 = 382^2 + 227^2 .

It is an emirp because it is prime and its reverse (354791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197453 - 2⁶ = 197389 is a prime.

It is equal to p₁₇₇₇₇ and since 197453 and 17777 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98726 + 98727.

It is an arithmetic number, because the mean of its divisors is an integer number (98727).

2¹⁹⁷⁴⁵³ is an apocalyptic number.

It is an amenable number.

197453 is a deficient number, since it is larger than the sum of its proper divisors (1).

197453 is an equidigital number, since it uses as much as digits as its factorization.

197453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 197453 is about 444.3568385881. The cubic root of 197453 is about 58.2310443212.

The spelling of 197453 in words is "one hundred ninety-seven thousand, four hundred fifty-three".