32189197 has 2 divisors, whose sum is σ = 32189198. Its totient is φ = 32189196.

The previous prime is 32189153. The next prime is 32189207. The reversal of 32189197 is 79198123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26894596 + 5294601 = 5186^2 + 2301^2 .

It is a cyclic number.

It is not a de Polignac number, because 32189197 - 2¹⁹ = 31664909 is a prime.

It is a super-2 number, since 2×32189197² = 2072288807009618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32189137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16094598 + 16094599.

It is an arithmetic number, because the mean of its divisors is an integer number (16094599).

Almost surely, 2^32189197 is an apocalyptic number.

It is an amenable number.

32189197 is a deficient number, since it is larger than the sum of its proper divisors (1).

32189197 is an equidigital number, since it uses as much as digits as its factorization.

32189197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 32189197 is about 5673.5524144931. The cubic root of 32189197 is about 318.1046719757.

The spelling of 32189197 in words is "thirty-two million, one hundred eighty-nine thousand, one hundred ninety-seven".