42287459 has 4 divisors (see below), whose sum is σ = 42308280. Its totient is φ = 42266640.

The previous prime is 42287431. The next prime is 42287461. The reversal of 42287459 is 95478224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42287459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42287419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6989 + ... + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (10577070).

Almost surely, 2^42287459 is an apocalyptic number.

42287459 is a deficient number, since it is larger than the sum of its proper divisors (20821).

42287459 is a wasteful number, since it uses less digits than its factorization.

42287459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820.

The product of its digits is 161280, while the sum is 41.

The square root of 42287459 is about 6502.8808231429. The cubic root of 42287459 is about 348.3938899981.

The spelling of 42287459 in words is "forty-two million, two hundred eighty-seven thousand, four hundred fifty-nine".