42533565 has 16 divisors (see below), whose sum is σ = 68302656. Its totient is φ = 22601600.

The previous prime is 42533551. The next prime is 42533573. The reversal of 42533565 is 56533524.

It is not a de Polignac number, because 42533565 - 2⁶ = 42533501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (4268916).

Almost surely, 2^42533565 is an apocalyptic number.

It is an amenable number.

42533565 is a deficient number, since it is larger than the sum of its proper divisors (25769091).

42533565 is a wasteful number, since it uses less digits than its factorization.

42533565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380.

The product of its digits is 54000, while the sum is 33.

The square root of 42533565 is about 6521.7762151120. The cubic root of 42533565 is about 349.0684479721.

The spelling of 42533565 in words is "forty-two million, five hundred thirty-three thousand, five hundred sixty-five".