1325485849 has 2 divisors, whose sum is σ = 1325485850. Its totient is φ = 1325485848.

The previous prime is 1325485841. The next prime is 1325485853. The reversal of 1325485849 is 9485845231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1203604249 + 121881600 = 34693^2 + 11040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325485849 - 2³ = 1325485841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325485841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662742924 + 662742925.

It is an arithmetic number, because the mean of its divisors is an integer number (662742925).

Almost surely, 2^1325485849 is an apocalyptic number.

It is an amenable number.

1325485849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325485849 is an equidigital number, since it uses as much as digits as its factorization.

1325485849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 49.

The square root of 1325485849 is about 36407.2224840072. Note that the first 3 decimals coincide. The cubic root of 1325485849 is about 1098.4788475576.

The spelling of 1325485849 in words is "one billion, three hundred twenty-five million, four hundred eighty-five thousand, eight hundred forty-nine".