197250369 has 8 divisors (see below), whose sum is σ = 274435392. Its totient is φ = 125782800.

The previous prime is 197250359. The next prime is 197250377. The reversal of 197250369 is 963052791.

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

It is a de Polignac number, because none of the positive numbers 2^k-197250369 is a prime.

It is a super-2 number, since 2×197250369² = 77815416141272322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197250369.

It is not an unprimeable number, because it can be changed into a prime (197250329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429282 + ... + 1429419.

It is an arithmetic number, because the mean of its divisors is an integer number (34304424).

Almost surely, 2^197250369 is an apocalyptic number.

It is an amenable number.

197250369 is a deficient number, since it is larger than the sum of its proper divisors (77185023).

197250369 is a wasteful number, since it uses less digits than its factorization.

197250369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858727.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 197250369 is about 14044.5850419299. The cubic root of 197250369 is about 582.1111813903. Note that the first 4 decimals are identical.

The spelling of 197250369 in words is "one hundred ninety-seven million, two hundred fifty thousand, three hundred sixty-nine".