32636489 has 2 divisors, whose sum is σ = 32636490. Its totient is φ = 32636488.

The previous prime is 32636473. The next prime is 32636491. The reversal of 32636489 is 98463623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32581264 + 55225 = 5708^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 32636489 - 2⁴ = 32636473 is a prime.

Together with 32636491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32636419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16318244 + 16318245.

It is an arithmetic number, because the mean of its divisors is an integer number (16318245).

Almost surely, 2^32636489 is an apocalyptic number.

It is an amenable number.

32636489 is a deficient number, since it is larger than the sum of its proper divisors (1).

32636489 is an equidigital number, since it uses as much as digits as its factorization.

32636489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 32636489 is about 5712.8354606097. The cubic root of 32636489 is about 319.5713303105.

The spelling of 32636489 in words is "thirty-two million, six hundred thirty-six thousand, four hundred eighty-nine".