1325253541 has 2 divisors, whose sum is σ = 1325253542. Its totient is φ = 1325253540.

The previous prime is 1325253539. The next prime is 1325253557. The reversal of 1325253541 is 1453525231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1315512900 + 9740641 = 36270^2 + 3121^2 .

It is an emirp because it is prime and its reverse (1453525231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325253541 - 2¹ = 1325253539 is a prime.

Together with 1325253539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325253641) 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 as a sum of consecutive naturals, namely, 662626770 + 662626771.

It is an arithmetic number, because the mean of its divisors is an integer number (662626771).

Almost surely, 2^1325253541 is an apocalyptic number.

It is an amenable number.

1325253541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325253541 is an equidigital number, since it uses as much as digits as its factorization.

1325253541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 1325253541 is about 36404.0319332900. The cubic root of 1325253541 is about 1098.4146697484.

Adding to 1325253541 its reverse (1453525231), we get a palindrome (2778778772).

The spelling of 1325253541 in words is "one billion, three hundred twenty-five million, two hundred fifty-three thousand, five hundred forty-one".