442124413 has 2 divisors, whose sum is σ = 442124414. Its totient is φ = 442124412.

The previous prime is 442124407. The next prime is 442124437. The reversal of 442124413 is 314421244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305655289 + 136469124 = 17483^2 + 11682^2 .

It is a cyclic number.

It is not a de Polignac number, because 442124413 - 2¹³ = 442116221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442124453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221062206 + 221062207.

It is an arithmetic number, because the mean of its divisors is an integer number (221062207).

Almost surely, 2^442124413 is an apocalyptic number.

It is an amenable number.

442124413 is a deficient number, since it is larger than the sum of its proper divisors (1).

442124413 is an equidigital number, since it uses as much as digits as its factorization.

442124413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 25.

The square root of 442124413 is about 21026.7546949119. The cubic root of 442124413 is about 761.8126245721.

Adding to 442124413 its reverse (314421244), we get a palindrome (756545657).

The spelling of 442124413 in words is "four hundred forty-two million, one hundred twenty-four thousand, four hundred thirteen".