42589215 has 24 divisors (see below), whose sum is σ = 77032800. Its totient is φ = 21726144.

The previous prime is 42589213. The next prime is 42589219. The reversal of 42589215 is 51298524.

It is not a de Polignac number, because 42589215 - 2¹ = 42589213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42589215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42589213) 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, 19540 + ... + 21609.

It is an arithmetic number, because the mean of its divisors is an integer number (3209700).

Almost surely, 2^42589215 is an apocalyptic number.

42589215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42589215 is a deficient number, since it is larger than the sum of its proper divisors (34443585).

42589215 is a wasteful number, since it uses less digits than its factorization.

42589215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41183 (or 41180 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 42589215 is about 6526.0412962224. The cubic root of 42589215 is about 349.2206195041.

The spelling of 42589215 in words is "forty-two million, five hundred eighty-nine thousand, two hundred fifteen".