1325707171 has 2 divisors, whose sum is σ = 1325707172. Its totient is φ = 1325707170.

The previous prime is 1325707147. The next prime is 1325707177. The reversal of 1325707171 is 1717075231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1325707171 - 2⁷ = 1325707043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325707177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662853585 + 662853586.

It is an arithmetic number, because the mean of its divisors is an integer number (662853586).

Almost surely, 2^1325707171 is an apocalyptic number.

1325707171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325707171 is an equidigital number, since it uses as much as digits as its factorization.

1325707171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 34.

The square root of 1325707171 is about 36410.2618913954. The cubic root of 1325707171 is about 1098.5399833807.

The spelling of 1325707171 in words is "one billion, three hundred twenty-five million, seven hundred seven thousand, one hundred seventy-one".