42210535 has 4 divisors (see below), whose sum is σ = 50652648. Its totient is φ = 33768424.

The previous prime is 42210529. The next prime is 42210551. The reversal of 42210535 is 53501224.

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

It is a cyclic number.

It is not a de Polignac number, because 42210535 - 2⁷ = 42210407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4221049 + ... + 4221058.

It is an arithmetic number, because the mean of its divisors is an integer number (12663162).

Almost surely, 2^42210535 is an apocalyptic number.

42210535 is a deficient number, since it is larger than the sum of its proper divisors (8442113).

42210535 is an equidigital number, since it uses as much as digits as its factorization.

42210535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442112.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42210535 is about 6496.9635215230. The cubic root of 42210535 is about 348.1825103994.

Adding to 42210535 its reverse (53501224), we get a palindrome (95711759).

The spelling of 42210535 in words is "forty-two million, two hundred ten thousand, five hundred thirty-five".