42441313 has 2 divisors, whose sum is σ = 42441314. Its totient is φ = 42441312.

The previous prime is 42441277. The next prime is 42441317. The reversal of 42441313 is 31314424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30107169 + 12334144 = 5487^2 + 3512^2 .

It is a cyclic number.

It is not a de Polignac number, because 42441313 - 2¹⁷ = 42310241 is a prime.

It is not a weakly prime, because it can be changed into another prime (42441317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220656 + 21220657.

It is an arithmetic number, because the mean of its divisors is an integer number (21220657).

Almost surely, 2^42441313 is an apocalyptic number.

It is an amenable number.

42441313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441313 is an equidigital number, since it uses as much as digits as its factorization.

42441313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 42441313 is about 6514.6997628440. The cubic root of 42441313 is about 348.8158978433.

Adding to 42441313 its reverse (31314424), we get a palindrome (73755737).

The spelling of 42441313 in words is "forty-two million, four hundred forty-one thousand, three hundred thirteen".