42443341 has 2 divisors, whose sum is σ = 42443342. Its totient is φ = 42443340.

The previous prime is 42443311. The next prime is 42443351. The reversal of 42443341 is 14334424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 6022116 = 6035^2 + 2454^2 .

It is a cyclic number.

It is not a de Polignac number, because 42443341 - 2²³ = 34054733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42443311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221670 + 21221671.

It is an arithmetic number, because the mean of its divisors is an integer number (21221671).

Almost surely, 2^42443341 is an apocalyptic number.

It is an amenable number.

42443341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42443341 is an equidigital number, since it uses as much as digits as its factorization.

42443341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 42443341 is about 6514.8554089864. The cubic root of 42443341 is about 348.8214536514.

Adding to 42443341 its reverse (14334424), we get a palindrome (56777765).

The spelling of 42443341 in words is "forty-two million, four hundred forty-three thousand, three hundred forty-one".