1352339921 has 2 divisors, whose sum is σ = 1352339922. Its totient is φ = 1352339920.

The previous prime is 1352339897. The next prime is 1352340061. The reversal of 1352339921 is 1299332531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1351591696 + 748225 = 36764^2 + 865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352339921 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1352339321) 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, 676169960 + 676169961.

It is an arithmetic number, because the mean of its divisors is an integer number (676169961).

Almost surely, 2^1352339921 is an apocalyptic number.

It is an amenable number.

1352339921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352339921 is an equidigital number, since it uses as much as digits as its factorization.

1352339921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 38.

The square root of 1352339921 is about 36774.1746474343. The cubic root of 1352339921 is about 1105.8476249243.

The spelling of 1352339921 in words is "one billion, three hundred fifty-two million, three hundred thirty-nine thousand, nine hundred twenty-one".