197432965 has 4 divisors (see below), whose sum is σ = 236919564. Its totient is φ = 157946368.

The previous prime is 197432941. The next prime is 197433001. The reversal of 197432965 is 569234791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74356129 + 123076836 = 8623^2 + 11094^2 .

It is a cyclic number.

It is not a de Polignac number, because 197432965 - 2¹⁵ = 197400197 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19743292 + ... + 19743301.

It is an arithmetic number, because the mean of its divisors is an integer number (59229891).

Almost surely, 2^197432965 is an apocalyptic number.

It is an amenable number.

197432965 is a deficient number, since it is larger than the sum of its proper divisors (39486599).

197432965 is an equidigital number, since it uses as much as digits as its factorization.

197432965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39486598.

The product of its digits is 408240, while the sum is 46.

The square root of 197432965 is about 14051.0841218747. The cubic root of 197432965 is about 582.2907474118.

The spelling of 197432965 in words is "one hundred ninety-seven million, four hundred thirty-two thousand, nine hundred sixty-five".