42590 has 8 divisors (see below), whose sum is σ = 76680. Its totient is φ = 17032.

The previous prime is 42589. The next prime is 42611. The reversal of 42590 is 9524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (9585).

2⁴²⁵⁹⁰ is an apocalyptic number.

42590 is a deficient number, since it is larger than the sum of its proper divisors (34090).

42590 is a wasteful number, since it uses less digits than its factorization.

42590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 42590 is about 206.3734479045. The cubic root of 42590 is about 34.9222765090.

It can be divided in two parts, 425 and 90, that added together give a palindrome (515).

The spelling of 42590 in words is "forty-two thousand, five hundred ninety".