42320141 has 2 divisors, whose sum is σ = 42320142. Its totient is φ = 42320140.

The previous prime is 42320099. The next prime is 42320143. The reversal of 42320141 is 14102324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38502025 + 3818116 = 6205^2 + 1954^2 .

It is a cyclic number.

It is not a de Polignac number, because 42320141 - 2¹⁰ = 42319117 is a prime.

Together with 42320143, 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 (42320143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21160070 + 21160071.

It is an arithmetic number, because the mean of its divisors is an integer number (21160071).

Almost surely, 2^42320141 is an apocalyptic number.

It is an amenable number.

42320141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42320141 is an equidigital number, since it uses as much as digits as its factorization.

42320141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42320141 is about 6505.3932240872. The cubic root of 42320141 is about 348.4836193359.

Adding to 42320141 its reverse (14102324), we get a palindrome (56422465).

The spelling of 42320141 in words is "forty-two million, three hundred twenty thousand, one hundred forty-one".