1325773387 has 2 divisors, whose sum is σ = 1325773388. Its totient is φ = 1325773386.

The previous prime is 1325773363. The next prime is 1325773409. The reversal of 1325773387 is 7833775231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325773387 - 2¹⁹ = 1325249099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325773487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662886693 + 662886694.

It is an arithmetic number, because the mean of its divisors is an integer number (662886694).

Almost surely, 2^1325773387 is an apocalyptic number.

1325773387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325773387 is an equidigital number, since it uses as much as digits as its factorization.

1325773387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 46.

The square root of 1325773387 is about 36411.1711841297. The cubic root of 1325773387 is about 1098.5582729181.

The spelling of 1325773387 in words is "one billion, three hundred twenty-five million, seven hundred seventy-three thousand, three hundred eighty-seven".