42563526 has 16 divisors (see below), whose sum is σ = 86294064. Its totient is φ = 13993344.

The previous prime is 42563509. The next prime is 42563539. The reversal of 42563526 is 62536524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48151 + ... + 49026.

It is an arithmetic number, because the mean of its divisors is an integer number (5393379).

Almost surely, 2^42563526 is an apocalyptic number.

42563526 is an abundant number, since it is smaller than the sum of its proper divisors (43730538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42563526 is a wasteful number, since it uses less digits than its factorization.

42563526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97255.

The product of its digits is 43200, while the sum is 33.

The square root of 42563526 is about 6524.0728076869. The cubic root of 42563526 is about 349.1503909824.

The spelling of 42563526 in words is "forty-two million, five hundred sixty-three thousand, five hundred twenty-six".