42359 has 2 divisors, whose sum is σ = 42360. Its totient is φ = 42358.

The previous prime is 42349. The next prime is 42373. The reversal of 42359 is 95324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42359 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21179 + 21180.

It is an arithmetic number, because the mean of its divisors is an integer number (21180).

2⁴²³⁵⁹ is an apocalyptic number.

42359 is a deficient number, since it is larger than the sum of its proper divisors (1).

42359 is an equidigital number, since it uses as much as digits as its factorization.

42359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 42359 is about 205.8130219398. The cubic root of 42359 is about 34.8590247701.

The spelling of 42359 in words is "forty-two thousand, three hundred fifty-nine".