42500563 has 4 divisors (see below), whose sum is σ = 48572080. Its totient is φ = 36429048.

The previous prime is 42500539. The next prime is 42500567. The reversal of 42500563 is 36500524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42500563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42500567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3035748 + ... + 3035761.

It is an arithmetic number, because the mean of its divisors is an integer number (12143020).

Almost surely, 2^42500563 is an apocalyptic number.

42500563 is a deficient number, since it is larger than the sum of its proper divisors (6071517).

42500563 is an equidigital number, since it uses as much as digits as its factorization.

42500563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071516.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 42500563 is about 6519.2455851885. The cubic root of 42500563 is about 348.9781433098.

The spelling of 42500563 in words is "forty-two million, five hundred thousand, five hundred sixty-three".