1326417245 has 24 divisors (see below), whose sum is σ = 1691396952. Its totient is φ = 998236800.

The previous prime is 1326417223. The next prime is 1326417251. The reversal of 1326417245 is 5427146231.

It can be written as a sum of positive squares in 4 ways, for example, as 109035364 + 1217381881 = 10442^2 + 34891^2 .

It is not a de Polignac number, because 1326417245 - 2¹⁸ = 1326155101 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157235 + ... + 165455.

It is an arithmetic number, because the mean of its divisors is an integer number (70474873).

Almost surely, 2^1326417245 is an apocalyptic number.

It is an amenable number.

1326417245 is a deficient number, since it is larger than the sum of its proper divisors (364979707).

1326417245 is an equidigital number, since it uses as much as digits as its factorization.

1326417245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333 (or 8310 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 1326417245 is about 36420.0116007670. The cubic root of 1326417245 is about 1098.7360813501.

The spelling of 1326417245 in words is "one billion, three hundred twenty-six million, four hundred seventeen thousand, two hundred forty-five".