197215075 has 12 divisors (see below), whose sum is σ = 244836760. Its totient is φ = 157584960.

The previous prime is 197215063. The next prime is 197215091. The reversal of 197215075 is 570512791.

It is not a de Polignac number, because 197215075 - 2⁷ = 197214947 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19216 + ... + 27634.

Almost surely, 2^197215075 is an apocalyptic number.

197215075 is a deficient number, since it is larger than the sum of its proper divisors (47621685).

197215075 is an equidigital number, since it uses as much as digits as its factorization.

197215075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366 (or 9361 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 197215075 is about 14043.3284872213. The cubic root of 197215075 is about 582.0764602765.

The spelling of 197215075 in words is "one hundred ninety-seven million, two hundred fifteen thousand, seventy-five".