42587243 has 8 divisors (see below), whose sum is σ = 43779648. Its totient is φ = 41404104.

The previous prime is 42587239. The next prime is 42587267. The reversal of 42587243 is 34278524.

42587243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42587243 - 2² = 42587239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42587443) 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 7 ways as a sum of consecutive naturals, for example, 7580 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (5472456).

Almost surely, 2^42587243 is an apocalyptic number.

42587243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42587243 is a deficient number, since it is larger than the sum of its proper divisors (1192405).

42587243 is a wasteful number, since it uses less digits than its factorization.

42587243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633.

The product of its digits is 53760, while the sum is 35.

The square root of 42587243 is about 6525.8902074736. The cubic root of 42587243 is about 349.2152294565.

The spelling of 42587243 in words is "forty-two million, five hundred eighty-seven thousand, two hundred forty-three".