32197489 has 2 divisors, whose sum is σ = 32197490. Its totient is φ = 32197488.

The previous prime is 32197469. The next prime is 32197513. The reversal of 32197489 is 98479123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31584400 + 613089 = 5620^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 32197489 - 2¹¹ = 32195441 is a prime.

It is not a weakly prime, because it can be changed into another prime (32197469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16098744 + 16098745.

It is an arithmetic number, because the mean of its divisors is an integer number (16098745).

Almost surely, 2^32197489 is an apocalyptic number.

It is an amenable number.

32197489 is a deficient number, since it is larger than the sum of its proper divisors (1).

32197489 is an equidigital number, since it uses as much as digits as its factorization.

32197489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 32197489 is about 5674.2831265280. The cubic root of 32197489 is about 318.1319844255.

The spelling of 32197489 in words is "thirty-two million, one hundred ninety-seven thousand, four hundred eighty-nine".