42563086 has 4 divisors (see below), whose sum is σ = 63844632. Its totient is φ = 21281542.

The previous prime is 42563069. The next prime is 42563099. The reversal of 42563086 is 68036524.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10640770 + ... + 10640773.

It is an arithmetic number, because the mean of its divisors is an integer number (15961158).

Almost surely, 2^42563086 is an apocalyptic number.

42563086 is a deficient number, since it is larger than the sum of its proper divisors (21281546).

42563086 is a wasteful number, since it uses less digits than its factorization.

42563086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21281545.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 42563086 is about 6524.0390863329. The cubic root of 42563086 is about 349.1491878654.

The spelling of 42563086 in words is "forty-two million, five hundred sixty-three thousand, eighty-six".