1325452543 has 2 divisors, whose sum is σ = 1325452544. Its totient is φ = 1325452542.

The previous prime is 1325452529. The next prime is 1325452547. The reversal of 1325452543 is 3452545231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325452543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325452499 and 1325452508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325452547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662726271 + 662726272.

It is an arithmetic number, because the mean of its divisors is an integer number (662726272).

Almost surely, 2^1325452543 is an apocalyptic number.

1325452543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325452543 is an equidigital number, since it uses as much as digits as its factorization.

1325452543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 34.

The square root of 1325452543 is about 36406.7650718929. The cubic root of 1325452543 is about 1098.4696468450.

Adding to 1325452543 its reverse (3452545231), we get a palindrome (4777997774).

The spelling of 1325452543 in words is "one billion, three hundred twenty-five million, four hundred fifty-two thousand, five hundred forty-three".