42087535 has 8 divisors (see below), whose sum is σ = 57720096. Its totient is φ = 28860000.

The previous prime is 42087533. The next prime is 42087541. The reversal of 42087535 is 53578024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42087535 - 2¹ = 42087533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42087535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42087533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601216 + ... + 601285.

It is an arithmetic number, because the mean of its divisors is an integer number (7215012).

Almost surely, 2^42087535 is an apocalyptic number.

42087535 is a deficient number, since it is larger than the sum of its proper divisors (15632561).

42087535 is a wasteful number, since it uses less digits than its factorization.

42087535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202513.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 42087535 is about 6487.4906550992. The cubic root of 42087535 is about 347.8439842116.

The spelling of 42087535 in words is "forty-two million, eighty-seven thousand, five hundred thirty-five".