32542439 has 2 divisors, whose sum is σ = 32542440. Its totient is φ = 32542438.

The previous prime is 32542429. The next prime is 32542441. The reversal of 32542439 is 93424523.

It is a strong prime.

It is an emirp because it is prime and its reverse (93424523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32542439 - 2⁴ = 32542423 is a prime.

Together with 32542441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32542409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16271219 + 16271220.

It is an arithmetic number, because the mean of its divisors is an integer number (16271220).

Almost surely, 2^32542439 is an apocalyptic number.

32542439 is a deficient number, since it is larger than the sum of its proper divisors (1).

32542439 is an equidigital number, since it uses as much as digits as its factorization.

32542439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 32542439 is about 5704.5980577075. The cubic root of 32542439 is about 319.2640607300.

The spelling of 32542439 in words is "thirty-two million, five hundred forty-two thousand, four hundred thirty-nine".