1325873971 has 2 divisors, whose sum is σ = 1325873972. Its totient is φ = 1325873970.

The previous prime is 1325873959. The next prime is 1325873981. The reversal of 1325873971 is 1793785231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325873971 - 2¹¹ = 1325871923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325873981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662936985 + 662936986.

It is an arithmetic number, because the mean of its divisors is an integer number (662936986).

Almost surely, 2^1325873971 is an apocalyptic number.

1325873971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325873971 is an equidigital number, since it uses as much as digits as its factorization.

1325873971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 1325873971 is about 36412.5523823859. The cubic root of 1325873971 is about 1098.5860540840.

The spelling of 1325873971 in words is "one billion, three hundred twenty-five million, eight hundred seventy-three thousand, nine hundred seventy-one".