1325063609 has 2 divisors, whose sum is σ = 1325063610. Its totient is φ = 1325063608.

The previous prime is 1325063581. The next prime is 1325063627. The reversal of 1325063609 is 9063605231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322413225 + 2650384 = 36365^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325063609 - 2⁸ = 1325063353 is a prime.

It is a super-2 number, since 2×1325063609² = 3511587135792209762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1325063639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662531804 + 662531805.

It is an arithmetic number, because the mean of its divisors is an integer number (662531805).

Almost surely, 2^1325063609 is an apocalyptic number.

It is an amenable number.

1325063609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325063609 is an equidigital number, since it uses as much as digits as its factorization.

1325063609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 1325063609 is about 36401.4231727277. The cubic root of 1325063609 is about 1098.3621932333.

The spelling of 1325063609 in words is "one billion, three hundred twenty-five million, sixty-three thousand, six hundred nine".