1325927849 has 2 divisors, whose sum is σ = 1325927850. Its totient is φ = 1325927848.

The previous prime is 1325927839. The next prime is 1325927873. The reversal of 1325927849 is 9487295231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1203604249 + 122323600 = 34693^2 + 11060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325927849 - 2⁸ = 1325927593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1325927797 and 1325927806.

It is not a weakly prime, because it can be changed into another prime (1325927839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662963924 + 662963925.

It is an arithmetic number, because the mean of its divisors is an integer number (662963925).

Almost surely, 2^1325927849 is an apocalyptic number.

It is an amenable number.

1325927849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325927849 is an equidigital number, since it uses as much as digits as its factorization.

1325927849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 1325927849 is about 36413.2922021616. The cubic root of 1325927849 is about 1098.6009345374.

The spelling of 1325927849 in words is "one billion, three hundred twenty-five million, nine hundred twenty-seven thousand, eight hundred forty-nine".