1424534321 has 12 divisors (see below), whose sum is σ = 1661186340. Its totient is φ = 1218026880.

The previous prime is 1424534303. The next prime is 1424534347. The reversal of 1424534321 is 1234354241.

It can be written as a sum of positive squares in 2 ways, for example, as 1236295921 + 188238400 = 35161^2 + 13720^2 .

It is not a de Polignac number, because 1424534321 - 2⁶ = 1424534257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1424534021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15500 + ... + 55581.

It is an arithmetic number, because the mean of its divisors is an integer number (138432195).

Almost surely, 2^1424534321 is an apocalyptic number.

It is an amenable number.

1424534321 is a deficient number, since it is larger than the sum of its proper divisors (236652019).

1424534321 is an equidigital number, since it uses as much as digits as its factorization.

1424534321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71504 (or 71497 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 1424534321 is about 37743.0036033170. The cubic root of 1424534321 is about 1125.1859632667.

Adding to 1424534321 its reverse (1234354241), we get a palindrome (2658888562).

The spelling of 1424534321 in words is "one billion, four hundred twenty-four million, five hundred thirty-four thousand, three hundred twenty-one".