1325548369 has 2 divisors, whose sum is σ = 1325548370. Its totient is φ = 1325548368.

The previous prime is 1325548363. The next prime is 1325548373. The reversal of 1325548369 is 9638455231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1303571025 + 21977344 = 36105^2 + 4688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325548369 is a prime.

It is a super-2 number, since 2×1325548369² = 3514156957117120322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1325548363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662774184 + 662774185.

It is an arithmetic number, because the mean of its divisors is an integer number (662774185).

Almost surely, 2^1325548369 is an apocalyptic number.

It is an amenable number.

1325548369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325548369 is an equidigital number, since it uses as much as digits as its factorization.

1325548369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 46.

The square root of 1325548369 is about 36408.0810947240. The cubic root of 1325548369 is about 1098.4961181601.

The spelling of 1325548369 in words is "one billion, three hundred twenty-five million, five hundred forty-eight thousand, three hundred sixty-nine".