42457535 has 4 divisors (see below), whose sum is σ = 50949048. Its totient is φ = 33966024.

The previous prime is 42457529. The next prime is 42457543. The reversal of 42457535 is 53575424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42457535 - 2¹⁰ = 42456511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42457495 and 42457504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4245749 + ... + 4245758.

It is an arithmetic number, because the mean of its divisors is an integer number (12737262).

Almost surely, 2^42457535 is an apocalyptic number.

42457535 is a deficient number, since it is larger than the sum of its proper divisors (8491513).

42457535 is an equidigital number, since it uses as much as digits as its factorization.

42457535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491512.

The product of its digits is 84000, while the sum is 35.

The square root of 42457535 is about 6515.9446744121. The cubic root of 42457535 is about 348.8603338760.

The spelling of 42457535 in words is "forty-two million, four hundred fifty-seven thousand, five hundred thirty-five".