42528522 has 8 divisors (see below), whose sum is σ = 85057056. Its totient is φ = 14176172.

The previous prime is 42528511. The next prime is 42528523. The reversal of 42528522 is 22582524.

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

42528522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42528522.

It is not an unprimeable number, because it can be changed into a prime (42528523) 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, 3544038 + ... + 3544049.

It is an arithmetic number, because the mean of its divisors is an integer number (10632132).

Almost surely, 2^42528522 is an apocalyptic number.

42528522 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.

42528522 is a wasteful number, since it uses less digits than its factorization.

42528522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088092.

The product of its digits is 12800, while the sum is 30.

The square root of 42528522 is about 6521.3895758496. The cubic root of 42528522 is about 349.0546516385.

The spelling of 42528522 in words is "forty-two million, five hundred twenty-eight thousand, five hundred twenty-two".