42589197 has 24 divisors (see below), whose sum is σ = 72733440. Its totient is φ = 23496480.

The previous prime is 42589187. The next prime is 42589213. The reversal of 42589197 is 79198524.

It is not a de Polignac number, because 42589197 - 2¹⁵ = 42556429 is a prime.

It is a super-2 number, since 2×42589197² = 3627679402209618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42589187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9829 + ... + 13482.

It is an arithmetic number, because the mean of its divisors is an integer number (3030560).

Almost surely, 2^42589197 is an apocalyptic number.

It is an amenable number.

42589197 is a deficient number, since it is larger than the sum of its proper divisors (30144243).

42589197 is a wasteful number, since it uses less digits than its factorization.

42589197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353 (or 23350 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 42589197 is about 6526.0399171320. The cubic root of 42589197 is about 349.2205703057.

The spelling of 42589197 in words is "forty-two million, five hundred eighty-nine thousand, one hundred ninety-seven".