42801593 has 4 divisors (see below), whose sum is σ = 44277540. Its totient is φ = 41325648.

The previous prime is 42801557. The next prime is 42801601. The reversal of 42801593 is 39510824.

42801593 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8602489 + 34199104 = 2933^2 + 5848^2 .

It is a cyclic number.

It is not a de Polignac number, because 42801593 - 2⁸ = 42801337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42801533) 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, 737930 + ... + 737987.

It is an arithmetic number, because the mean of its divisors is an integer number (11069385).

Almost surely, 2^42801593 is an apocalyptic number.

It is an amenable number.

42801593 is a deficient number, since it is larger than the sum of its proper divisors (1475947).

42801593 is a wasteful number, since it uses less digits than its factorization.

42801593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475946.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 42801593 is about 6542.2926409631. The cubic root of 42801593 is about 349.8001389560.

The spelling of 42801593 in words is "forty-two million, eight hundred one thousand, five hundred ninety-three".