42212653 has 4 divisors (see below), whose sum is σ = 48243040. Its totient is φ = 36182268.

The previous prime is 42212629. The next prime is 42212689. The reversal of 42212653 is 35621224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42212653 - 2²¹ = 40115501 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 (42212953) by changing a digit.

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, 3015183 + ... + 3015196.

It is an arithmetic number, because the mean of its divisors is an integer number (12060760).

Almost surely, 2^42212653 is an apocalyptic number.

It is an amenable number.

42212653 is a deficient number, since it is larger than the sum of its proper divisors (6030387).

42212653 is an equidigital number, since it uses as much as digits as its factorization.

42212653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030386.

The product of its digits is 2880, while the sum is 25.

The square root of 42212653 is about 6497.1265187004. The cubic root of 42212653 is about 348.1883338921.

Adding to 42212653 its reverse (35621224), we get a palindrome (77833877).

The spelling of 42212653 in words is "forty-two million, two hundred twelve thousand, six hundred fifty-three".