197387275 has 6 divisors (see below), whose sum is σ = 244760252. Its totient is φ = 157909800.

The previous prime is 197387249. The next prime is 197387327. The reversal of 197387275 is 572783791.

It is a happy number.

197387275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197387275 - 2⁷ = 197387147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3947721 + ... + 3947770.

Almost surely, 2^197387275 is an apocalyptic number.

197387275 is a deficient number, since it is larger than the sum of its proper divisors (47372977).

197387275 is an equidigital number, since it uses as much as digits as its factorization.

197387275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895501 (or 7895496 counting only the distinct ones).

The product of its digits is 740880, while the sum is 49.

The square root of 197387275 is about 14049.4581746059. The cubic root of 197387275 is about 582.2458259760.

The spelling of 197387275 in words is "one hundred ninety-seven million, three hundred eighty-seven thousand, two hundred seventy-five".