42656213 has 16 divisors (see below), whose sum is σ = 46531584. Its totient is φ = 38949120.

The previous prime is 42656209. The next prime is 42656219. The reversal of 42656213 is 31265624.

42656213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42656213 - 2² = 42656209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656219) 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 15 ways as a sum of consecutive naturals, for example, 157268 + ... + 157538.

It is an arithmetic number, because the mean of its divisors is an integer number (2908224).

Almost surely, 2^42656213 is an apocalyptic number.

It is an amenable number.

42656213 is a deficient number, since it is larger than the sum of its proper divisors (3875371).

42656213 is a wasteful number, since it uses less digits than its factorization.

42656213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 8640, while the sum is 29.

The square root of 42656213 is about 6531.1724062376. The cubic root of 42656213 is about 349.4036456917.

It can be divided in two parts, 4265621 and 3, that added together give a palindrome (4265624).

The spelling of 42656213 in words is "forty-two million, six hundred fifty-six thousand, two hundred thirteen".