42562073 has 2 divisors, whose sum is σ = 42562074. Its totient is φ = 42562072.

The previous prime is 42562063. The next prime is 42562087. The reversal of 42562073 is 37026524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 12544 = 6523^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 42562073 - 2¹⁰ = 42561049 is a prime.

It is not a weakly prime, because it can be changed into another prime (42562063) 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, 21281036 + 21281037.

It is an arithmetic number, because the mean of its divisors is an integer number (21281037).

Almost surely, 2^42562073 is an apocalyptic number.

It is an amenable number.

42562073 is a deficient number, since it is larger than the sum of its proper divisors (1).

42562073 is an equidigital number, since it uses as much as digits as its factorization.

42562073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 42562073 is about 6523.9614499168. The cubic root of 42562073 is about 349.1464179305.

Adding to 42562073 its reverse (37026524), we get a palindrome (79588597).

The spelling of 42562073 in words is "forty-two million, five hundred sixty-two thousand, seventy-three".