42528593 has 4 divisors (see below), whose sum is σ = 44766960. Its totient is φ = 40290228.

The previous prime is 42528589. The next prime is 42528599. The reversal of 42528593 is 39582524.

42528593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42528593 - 2² = 42528589 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42528599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119155 + ... + 1119192.

It is an arithmetic number, because the mean of its divisors is an integer number (11191740).

Almost surely, 2^42528593 is an apocalyptic number.

It is an amenable number.

42528593 is a deficient number, since it is larger than the sum of its proper divisors (2238367).

42528593 is a wasteful number, since it uses less digits than its factorization.

42528593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238366.

The product of its digits is 86400, while the sum is 38.

The square root of 42528593 is about 6521.3950194724. The cubic root of 42528593 is about 349.0548458835.

The spelling of 42528593 in words is "forty-two million, five hundred twenty-eight thousand, five hundred ninety-three".