1325440514533 has 4 divisors (see below), whose sum is σ = 1361263231180. Its totient is φ = 1289617797888.

The previous prime is 1325440514509. The next prime is 1325440514543. The reversal of 1325440514533 is 3354150445231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 646387056324 + 679053458209 = 803982^2 + 824047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325440514533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325440514543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17911358268 + ... + 17911358341.

It is an arithmetic number, because the mean of its divisors is an integer number (340315807795).

Almost surely, 2^{1325440514533} is an apocalyptic number.

It is an amenable number.

1325440514533 is a deficient number, since it is larger than the sum of its proper divisors (35822716647).

1325440514533 is an equidigital number, since it uses as much as digits as its factorization.

1325440514533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35822716646.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 1325440514533 its reverse (3354150445231), we get a palindrome (4679590959764).

The spelling of 1325440514533 in words is "one trillion, three hundred twenty-five billion, four hundred forty million, five hundred fourteen thousand, five hundred thirty-three".