424241281 has 2 divisors, whose sum is σ = 424241282. Its totient is φ = 424241280.

The previous prime is 424241267. The next prime is 424241287. The reversal of 424241281 is 182142424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423701056 + 540225 = 20584^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 424241281 - 2⁵ = 424241249 is a prime.

It is a super-2 number, since 2×424241281² = 359961329009041922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424241287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212120640 + 212120641.

It is an arithmetic number, because the mean of its divisors is an integer number (212120641).

Almost surely, 2^424241281 is an apocalyptic number.

It is an amenable number.

424241281 is a deficient number, since it is larger than the sum of its proper divisors (1).

424241281 is an equidigital number, since it uses as much as digits as its factorization.

424241281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096, while the sum is 28.

The square root of 424241281 is about 20597.1182693114. The cubic root of 424241281 is about 751.3996270267.

The spelling of 424241281 in words is "four hundred twenty-four million, two hundred forty-one thousand, two hundred eighty-one".