42060061 has 2 divisors, whose sum is σ = 42060062. Its totient is φ = 42060060.

The previous prime is 42060047. The next prime is 42060079. The reversal of 42060061 is 16006024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32137561 + 9922500 = 5669^2 + 3150^2 .

It is a cyclic number.

It is not a de Polignac number, because 42060061 - 2¹¹ = 42058013 is a prime.

It is equal to p_2551024 and since 42060061 and 2551024 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42060761) 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, 21030030 + 21030031.

It is an arithmetic number, because the mean of its divisors is an integer number (21030031).

Almost surely, 2^42060061 is an apocalyptic number.

It is an amenable number.

42060061 is a deficient number, since it is larger than the sum of its proper divisors (1).

42060061 is an equidigital number, since it uses as much as digits as its factorization.

42060061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42060061 is about 6485.3728497288. The cubic root of 42060061 is about 347.7682789317.

Adding to 42060061 its reverse (16006024), we get a palindrome (58066085).

The spelling of 42060061 in words is "forty-two million, sixty thousand, sixty-one".