42167285 has 16 divisors (see below), whose sum is σ = 52584960. Its totient is φ = 32425920.

The previous prime is 42167269. The next prime is 42167299. The reversal of 42167285 is 58276124.

It is not a de Polignac number, because 42167285 - 2⁴ = 42167269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24431 + ... + 26099.

It is an arithmetic number, because the mean of its divisors is an integer number (3286560).

Almost surely, 2^42167285 is an apocalyptic number.

It is an amenable number.

42167285 is a deficient number, since it is larger than the sum of its proper divisors (10417675).

42167285 is a wasteful number, since it uses less digits than its factorization.

42167285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868.

The product of its digits is 26880, while the sum is 35.

The square root of 42167285 is about 6493.6341904976. The cubic root of 42167285 is about 348.0635508415.

The spelling of 42167285 in words is "forty-two million, one hundred sixty-seven thousand, two hundred eighty-five".