32540489 has 2 divisors, whose sum is σ = 32540490. Its totient is φ = 32540488.

The previous prime is 32540477. The next prime is 32540491. The reversal of 32540489 is 98404523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16540489 + 16000000 = 4067^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 32540489 - 2¹² = 32536393 is a prime.

Together with 32540491, 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 (32545489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16270244 + 16270245.

It is an arithmetic number, because the mean of its divisors is an integer number (16270245).

Almost surely, 2^32540489 is an apocalyptic number.

It is an amenable number.

32540489 is a deficient number, since it is larger than the sum of its proper divisors (1).

32540489 is an equidigital number, since it uses as much as digits as its factorization.

32540489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 32540489 is about 5704.4271403884. The cubic root of 32540489 is about 319.2576836485.

The spelling of 32540489 in words is "thirty-two million, five hundred forty thousand, four hundred eighty-nine".