42000522 has 8 divisors (see below), whose sum is σ = 84001056. Its totient is φ = 14000172.

The previous prime is 42000521. The next prime is 42000529. The reversal of 42000522 is 22500024.

It is a sphenic number, since it is the product of 3 distinct primes.

42000522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42000521) 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, 3500038 + ... + 3500049.

It is an arithmetic number, because the mean of its divisors is an integer number (10500132).

Almost surely, 2^42000522 is an apocalyptic number.

42000522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42000522 is a wasteful number, since it uses less digits than its factorization.

42000522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000092.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 42000522 is about 6480.7809714571. The cubic root of 42000522 is about 347.6041045509.

Adding to 42000522 its reverse (22500024), we get a palindrome (64500546).

The spelling of 42000522 in words is "forty-two million, five hundred twenty-two", and thus it is an aban number.