42533611 has 2 divisors, whose sum is σ = 42533612. Its totient is φ = 42533610.

The previous prime is 42533597. The next prime is 42533639. The reversal of 42533611 is 11633524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42533611 - 2¹¹ = 42531563 is a prime.

It is not a weakly prime, because it can be changed into another prime (42533641) 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, 21266805 + 21266806.

It is an arithmetic number, because the mean of its divisors is an integer number (21266806).

Almost surely, 2^42533611 is an apocalyptic number.

42533611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42533611 is an equidigital number, since it uses as much as digits as its factorization.

42533611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 42533611 is about 6521.7797417576. The cubic root of 42533611 is about 349.0685738111.

The spelling of 42533611 in words is "forty-two million, five hundred thirty-three thousand, six hundred eleven".