42272653 has 2 divisors, whose sum is σ = 42272654. Its totient is φ = 42272652.

The previous prime is 42272651. The next prime is 42272683. The reversal of 42272653 is 35627224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28708164 + 13564489 = 5358^2 + 3683^2 .

It is a cyclic number.

It is not a de Polignac number, because 42272653 - 2¹ = 42272651 is a prime.

Together with 42272651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42272651) 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 as a sum of consecutive naturals, namely, 21136326 + 21136327.

It is an arithmetic number, because the mean of its divisors is an integer number (21136327).

Almost surely, 2^42272653 is an apocalyptic number.

It is an amenable number.

42272653 is a deficient number, since it is larger than the sum of its proper divisors (1).

42272653 is an equidigital number, since it uses as much as digits as its factorization.

42272653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 42272653 is about 6501.7423049518. The cubic root of 42272653 is about 348.3532244974.

Adding to 42272653 its reverse (35627224), we get a palindrome (77899877).

The spelling of 42272653 in words is "forty-two million, two hundred seventy-two thousand, six hundred fifty-three".