42358487 has 4 divisors (see below), whose sum is σ = 42371616. Its totient is φ = 42345360.

The previous prime is 42358439. The next prime is 42358489. The reversal of 42358487 is 78485324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42358487 - 2⁸ = 42358231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42358489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (10592904).

Almost surely, 2^42358487 is an apocalyptic number.

42358487 is a deficient number, since it is larger than the sum of its proper divisors (13129).

42358487 is an equidigital number, since it uses as much as digits as its factorization.

42358487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13128.

The product of its digits is 215040, while the sum is 41.

The square root of 42358487 is about 6508.3398036673. The cubic root of 42358487 is about 348.5888404635.

The spelling of 42358487 in words is "forty-two million, three hundred fifty-eight thousand, four hundred eighty-seven".