42537239 has 8 divisors (see below), whose sum is σ = 44081280. Its totient is φ = 41004000.

The previous prime is 42537233. The next prime is 42537241. The reversal of 42537239 is 93273524.

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

It is a cyclic number.

It is not a de Polignac number, because 42537239 - 2⁸ = 42536983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42537199 and 42537208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42537233) 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, 5789 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (5510160).

Almost surely, 2^42537239 is an apocalyptic number.

42537239 is a deficient number, since it is larger than the sum of its proper divisors (1544041).

42537239 is a wasteful number, since it uses less digits than its factorization.

42537239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its digits is 45360, while the sum is 35.

The square root of 42537239 is about 6522.0578807613. The cubic root of 42537239 is about 349.0784983919.

The spelling of 42537239 in words is "forty-two million, five hundred thirty-seven thousand, two hundred thirty-nine".