1424534021 has 2 divisors, whose sum is σ = 1424534022. Its totient is φ = 1424534020.

The previous prime is 1424534017. The next prime is 1424534039. The reversal of 1424534021 is 1204354241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278849121 + 145684900 = 35761^2 + 12070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424534021 - 2² = 1424534017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424534011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712267010 + 712267011.

It is an arithmetic number, because the mean of its divisors is an integer number (712267011).

Almost surely, 2^1424534021 is an apocalyptic number.

It is an amenable number.

1424534021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424534021 is an equidigital number, since it uses as much as digits as its factorization.

1424534021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1424534021 is about 37742.9996290703. Note that the first 3 decimals coincide. The cubic root of 1424534021 is about 1125.1858842804.

Adding to 1424534021 its reverse (1204354241), we get a palindrome (2628888262).

The spelling of 1424534021 in words is "one billion, four hundred twenty-four million, five hundred thirty-four thousand, twenty-one".