42585007 has 4 divisors (see below), whose sum is σ = 43575400. Its totient is φ = 41594616.

The previous prime is 42584989. The next prime is 42585031. The reversal of 42585007 is 70058524.

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 42585007 - 2⁷ = 42584879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42585007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42585047) 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, 495132 + ... + 495217.

It is an arithmetic number, because the mean of its divisors is an integer number (10893850).

Almost surely, 2^42585007 is an apocalyptic number.

42585007 is a deficient number, since it is larger than the sum of its proper divisors (990393).

42585007 is an equidigital number, since it uses as much as digits as its factorization.

42585007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990392.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 42585007 is about 6525.7188876016. The cubic root of 42585007 is about 349.2091176191.

The spelling of 42585007 in words is "forty-two million, five hundred eighty-five thousand, seven".