1352143321 has 2 divisors, whose sum is σ = 1352143322. Its totient is φ = 1352143320.

The previous prime is 1352143319. The next prime is 1352143363. The reversal of 1352143321 is 1233412531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1334879296 + 17264025 = 36536^2 + 4155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352143321 - 2¹ = 1352143319 is a prime.

Together with 1352143319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1352143301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676071660 + 676071661.

It is an arithmetic number, because the mean of its divisors is an integer number (676071661).

Almost surely, 2^1352143321 is an apocalyptic number.

It is an amenable number.

1352143321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352143321 is an equidigital number, since it uses as much as digits as its factorization.

1352143321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 1352143321 is about 36771.5014787267. The cubic root of 1352143321 is about 1105.7940338175.

Adding to 1352143321 its reverse (1233412531), we get a palindrome (2585555852).

The spelling of 1352143321 in words is "one billion, three hundred fifty-two million, one hundred forty-three thousand, three hundred twenty-one".