1326316571 has 2 divisors, whose sum is σ = 1326316572. Its totient is φ = 1326316570.

The previous prime is 1326316531. The next prime is 1326316583. The reversal of 1326316571 is 1756136231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1326316571 - 2²⁶ = 1259207707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1326316501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663158285 + 663158286.

It is an arithmetic number, because the mean of its divisors is an integer number (663158286).

Almost surely, 2^1326316571 is an apocalyptic number.

1326316571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326316571 is an equidigital number, since it uses as much as digits as its factorization.

1326316571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 1326316571 is about 36418.6294497747. The cubic root of 1326316571 is about 1098.7082829191.

The spelling of 1326316571 in words is "one billion, three hundred twenty-six million, three hundred sixteen thousand, five hundred seventy-one".