42537539 has 8 divisors (see below), whose sum is σ = 46528560. Its totient is φ = 38567200.

The previous prime is 42537503. The next prime is 42537581. The reversal of 42537539 is 93573524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42537539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42537139) 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, 692 + ... + 9249.

It is an arithmetic number, because the mean of its divisors is an integer number (5816070).

Almost surely, 2^42537539 is an apocalyptic number.

42537539 is a deficient number, since it is larger than the sum of its proper divisors (3991021).

42537539 is a wasteful number, since it uses less digits than its factorization.

42537539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341.

The product of its digits is 113400, while the sum is 38.

The square root of 42537539 is about 6522.0808795966. The cubic root of 42537539 is about 349.0793190321.

The spelling of 42537539 in words is "forty-two million, five hundred thirty-seven thousand, five hundred thirty-nine".