42528559 has 8 divisors (see below), whose sum is σ = 44504192. Its totient is φ = 40590720.

The previous prime is 42528539. The next prime is 42528569. The reversal of 42528559 is 95582524.

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

It is a cyclic number.

It is not a de Polignac number, because 42528559 - 2⁹ = 42528047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42528539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7134 + ... + 11659.

It is an arithmetic number, because the mean of its divisors is an integer number (5563024).

Almost surely, 2^42528559 is an apocalyptic number.

42528559 is a deficient number, since it is larger than the sum of its proper divisors (1975633).

42528559 is a wasteful number, since it uses less digits than its factorization.

42528559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18897.

The product of its digits is 144000, while the sum is 40.

The square root of 42528559 is about 6521.3924126677. The cubic root of 42528559 is about 349.0547528648.

The spelling of 42528559 in words is "forty-two million, five hundred twenty-eight thousand, five hundred fifty-nine".