42030591 has 16 divisors (see below), whose sum is σ = 58790400. Its totient is φ = 26658720.

The previous prime is 42030589. The next prime is 42030601. The reversal of 42030591 is 19503024.

It is not a de Polignac number, because 42030591 - 2¹ = 42030589 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12201 + ... + 15261.

It is an arithmetic number, because the mean of its divisors is an integer number (3674400).

Almost surely, 2^42030591 is an apocalyptic number.

42030591 is a deficient number, since it is larger than the sum of its proper divisors (16759809).

42030591 is a wasteful number, since it uses less digits than its factorization.

42030591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 42030591 is about 6483.1004156962. The cubic root of 42030591 is about 347.6870369687.

The spelling of 42030591 in words is "forty-two million, thirty thousand, five hundred ninety-one".