1326545387 has 2 divisors, whose sum is σ = 1326545388. Its totient is φ = 1326545386.

The previous prime is 1326545359. The next prime is 1326545449. The reversal of 1326545387 is 7835456231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1326545387 - 2⁶ = 1326545323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1326545317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663272693 + 663272694.

It is an arithmetic number, because the mean of its divisors is an integer number (663272694).

Almost surely, 2^1326545387 is an apocalyptic number.

1326545387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326545387 is an equidigital number, since it uses as much as digits as its factorization.

1326545387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 1326545387 is about 36421.7707834202. The cubic root of 1326545387 is about 1098.7714622998.

The spelling of 1326545387 in words is "one billion, three hundred twenty-six million, five hundred forty-five thousand, three hundred eighty-seven".