1325515171 has 2 divisors, whose sum is σ = 1325515172. Its totient is φ = 1325515170.

The previous prime is 1325515153. The next prime is 1325515189. The reversal of 1325515171 is 1715155231.

It is a balanced prime because it is at equal distance from previous prime (1325515153) and next prime (1325515189).

It is an emirp because it is prime and its reverse (1715155231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325515171 - 2⁷ = 1325515043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325515111) 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, 662757585 + 662757586.

It is an arithmetic number, because the mean of its divisors is an integer number (662757586).

Almost surely, 2^1325515171 is an apocalyptic number.

1325515171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325515171 is an equidigital number, since it uses as much as digits as its factorization.

1325515171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 31.

The square root of 1325515171 is about 36407.6251766028. The cubic root of 1325515171 is about 1098.4869475710.

The spelling of 1325515171 in words is "one billion, three hundred twenty-five million, five hundred fifteen thousand, one hundred seventy-one".