42537959 has 4 divisors (see below), whose sum is σ = 43340616. Its totient is φ = 41735304.

The previous prime is 42537949. The next prime is 42537973. The reversal of 42537959 is 95973524.

42537959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42537959 - 2¹² = 42533863 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 (42537949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401249 + ... + 401354.

It is an arithmetic number, because the mean of its divisors is an integer number (10835154).

Almost surely, 2^42537959 is an apocalyptic number.

42537959 is a deficient number, since it is larger than the sum of its proper divisors (802657).

42537959 is an equidigital number, since it uses as much as digits as its factorization.

42537959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802656.

The product of its digits is 340200, while the sum is 44.

The square root of 42537959 is about 6522.1130778299. The cubic root of 42537959 is about 349.0804679219.

The spelling of 42537959 in words is "forty-two million, five hundred thirty-seven thousand, nine hundred fifty-nine".