42052061 has 2 divisors, whose sum is σ = 42052062. Its totient is φ = 42052060.

The previous prime is 42052051. The next prime is 42052063. The reversal of 42052061 is 16025024.

It is a happy number.

42052061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30184036 + 11868025 = 5494^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 42052061 - 2¹⁴ = 42035677 is a prime.

Together with 42052063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42052063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026030 + 21026031.

It is an arithmetic number, because the mean of its divisors is an integer number (21026031).

Almost surely, 2^42052061 is an apocalyptic number.

It is an amenable number.

42052061 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052061 is an equidigital number, since it uses as much as digits as its factorization.

42052061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42052061 is about 6484.7560478402. The cubic root of 42052061 is about 347.7462285385.

Adding to 42052061 its reverse (16025024), we get a palindrome (58077085).

The spelling of 42052061 in words is "forty-two million, fifty-two thousand, sixty-one".