197245 has 8 divisors (see below), whose sum is σ = 239616. Its totient is φ = 155856.

The previous prime is 197243. The next prime is 197257. The reversal of 197245 is 542791.

It is a happy number.

197245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197245 - 2¹ = 197243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (29952).

2¹⁹⁷²⁴⁵ is an apocalyptic number.

It is an amenable number.

197245 is a deficient number, since it is larger than the sum of its proper divisors (42371).

197245 is a wasteful number, since it uses less digits than its factorization.

197245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 2520, while the sum is 28.

The square root of 197245 is about 444.1227307851. The cubic root of 197245 is about 58.2105899806.

The spelling of 197245 in words is "one hundred ninety-seven thousand, two hundred forty-five".