42524565 has 64 divisors (see below), whose sum is σ = 77552640. Its totient is φ = 19768320.

The previous prime is 42524561. The next prime is 42524567. The reversal of 42524565 is 56542524.

It is not a de Polignac number, because 42524565 - 2² = 42524561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42524561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 324550 + ... + 324680.

It is an arithmetic number, because the mean of its divisors is an integer number (1211760).

Almost surely, 2^42524565 is an apocalyptic number.

It is an amenable number.

42524565 is a deficient number, since it is larger than the sum of its proper divisors (35028075).

42524565 is a wasteful number, since it uses less digits than its factorization.

42524565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its digits is 48000, while the sum is 33.

The square root of 42524565 is about 6521.0861825313. The cubic root of 42524565 is about 349.0438255542.

The spelling of 42524565 in words is "forty-two million, five hundred twenty-four thousand, five hundred sixty-five".