42589191 has 16 divisors (see below), whose sum is σ = 58291200. Its totient is φ = 27646368.

The previous prime is 42589187. The next prime is 42589213. The reversal of 42589191 is 19198524.

It is not a de Polignac number, because 42589191 - 2² = 42589187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42589121) 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, 31630 + ... + 32948.

It is an arithmetic number, because the mean of its divisors is an integer number (3643200).

Almost surely, 2^42589191 is an apocalyptic number.

42589191 is a deficient number, since it is larger than the sum of its proper divisors (15702009).

42589191 is a wasteful number, since it uses less digits than its factorization.

42589191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598.

The product of its digits is 25920, while the sum is 39.

The square root of 42589191 is about 6526.0394574351. The cubic root of 42589191 is about 349.2205539062.

The spelling of 42589191 in words is "forty-two million, five hundred eighty-nine thousand, one hundred ninety-one".