1328253593 has 2 divisors, whose sum is σ = 1328253594. Its totient is φ = 1328253592.

The previous prime is 1328253583. The next prime is 1328253629. The reversal of 1328253593 is 3953528231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1325906569 + 2347024 = 36413^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1328253593 - 2⁶ = 1328253529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1328253593.

It is not a weakly prime, because it can be changed into another prime (1328253523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664126796 + 664126797.

It is an arithmetic number, because the mean of its divisors is an integer number (664126797).

Almost surely, 2^1328253593 is an apocalyptic number.

It is an amenable number.

1328253593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328253593 is an equidigital number, since it uses as much as digits as its factorization.

1328253593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 1328253593 is about 36445.2135814842. The cubic root of 1328253593 is about 1099.2428930683.

The spelling of 1328253593 in words is "one billion, three hundred twenty-eight million, two hundred fifty-three thousand, five hundred ninety-three".