42563213 has 32 divisors (see below), whose sum is σ = 56160000. Its totient is φ = 31940160.

The previous prime is 42563201. The next prime is 42563219. The reversal of 42563213 is 31236524.

42563213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42563213 - 2⁴ = 42563197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42563219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109223 + ... + 109611.

It is an arithmetic number, because the mean of its divisors is an integer number (1755000).

Almost surely, 2^42563213 is an apocalyptic number.

It is an amenable number.

42563213 is a deficient number, since it is larger than the sum of its proper divisors (13596787).

42563213 is a wasteful number, since it uses less digits than its factorization.

42563213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 436 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 42563213 is about 6524.0488195598. The cubic root of 42563213 is about 349.1495351296.

Adding to 42563213 its reverse (31236524), we get a palindrome (73799737).

The spelling of 42563213 in words is "forty-two million, five hundred sixty-three thousand, two hundred thirteen".