1325243533 has 8 divisors (see below), whose sum is σ = 1376166456. Its totient is φ = 1275206400.

The previous prime is 1325243519. The next prime is 1325243539. The reversal of 1325243533 is 3353425231.

It can be written as a sum of positive squares in 4 ways, for example, as 73994404 + 1251249129 = 8602^2 + 35373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1325243533 - 2⁵ = 1325243501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1325243495 and 1325243504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325243539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218398 + ... + 224383.

It is an arithmetic number, because the mean of its divisors is an integer number (172020807).

Almost surely, 2^1325243533 is an apocalyptic number.

It is an amenable number.

1325243533 is a deficient number, since it is larger than the sum of its proper divisors (50922923).

1325243533 is an equidigital number, since it uses as much as digits as its factorization.

1325243533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442895.

The product of its digits is 32400, while the sum is 31.

The square root of 1325243533 is about 36403.8944757288. The cubic root of 1325243533 is about 1098.4119047525.

Adding to 1325243533 its reverse (3353425231), we get a palindrome (4678668764).

The spelling of 1325243533 in words is "one billion, three hundred twenty-five million, two hundred forty-three thousand, five hundred thirty-three".