42285827 has 4 divisors (see below), whose sum is σ = 42305400. Its totient is φ = 42266256.

The previous prime is 42285823. The next prime is 42285833. The reversal of 42285827 is 72858224.

It is a happy number.

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 42285827 - 2² = 42285823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42285823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (10576350).

Almost surely, 2^42285827 is an apocalyptic number.

42285827 is a deficient number, since it is larger than the sum of its proper divisors (19573).

42285827 is a wasteful number, since it uses less digits than its factorization.

42285827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19572.

The product of its digits is 71680, while the sum is 38.

The square root of 42285827 is about 6502.7553390851. The cubic root of 42285827 is about 348.3894080850.

The spelling of 42285827 in words is "forty-two million, two hundred eighty-five thousand, eight hundred twenty-seven".