1325406659 has 2 divisors, whose sum is σ = 1325406660. Its totient is φ = 1325406658.

The previous prime is 1325406653. The next prime is 1325406707. The reversal of 1325406659 is 9566045231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1325406659 - 2¹⁶ = 1325341123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325406653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662703329 + 662703330.

It is an arithmetic number, because the mean of its divisors is an integer number (662703330).

Almost surely, 2^1325406659 is an apocalyptic number.

1325406659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325406659 is an equidigital number, since it uses as much as digits as its factorization.

1325406659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 1325406659 is about 36406.1349088310. The cubic root of 1325406659 is about 1098.4569712339.

The spelling of 1325406659 in words is "one billion, three hundred twenty-five million, four hundred six thousand, six hundred fifty-nine".