32090197 has 2 divisors, whose sum is σ = 32090198. Its totient is φ = 32090196.

The previous prime is 32090189. The next prime is 32090243. The reversal of 32090197 is 79109023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24740676 + 7349521 = 4974^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 32090197 - 2³ = 32090189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32090147) by changing a digit.

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 as a sum of consecutive naturals, namely, 16045098 + 16045099.

It is an arithmetic number, because the mean of its divisors is an integer number (16045099).

Almost surely, 2^32090197 is an apocalyptic number.

It is an amenable number.

32090197 is a deficient number, since it is larger than the sum of its proper divisors (1).

32090197 is an equidigital number, since it uses as much as digits as its factorization.

32090197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 32090197 is about 5664.8210033504. The cubic root of 32090197 is about 317.7782197665.

The spelling of 32090197 in words is "thirty-two million, ninety thousand, one hundred ninety-seven".