42732589 has 2 divisors, whose sum is σ = 42732590. Its totient is φ = 42732588.

The previous prime is 42732587. The next prime is 42732617. The reversal of 42732589 is 98523724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27910089 + 14822500 = 5283^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 42732589 - 2¹ = 42732587 is a prime.

Together with 42732587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42732587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21366294 + 21366295.

It is an arithmetic number, because the mean of its divisors is an integer number (21366295).

Almost surely, 2^42732589 is an apocalyptic number.

It is an amenable number.

42732589 is a deficient number, since it is larger than the sum of its proper divisors (1).

42732589 is an equidigital number, since it uses as much as digits as its factorization.

42732589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 42732589 is about 6537.0168272691. The cubic root of 42732589 is about 349.6120572349.

The spelling of 42732589 in words is "forty-two million, seven hundred thirty-two thousand, five hundred eighty-nine".