1325538017 has 4 divisors (see below), whose sum is σ = 1327918356. Its totient is φ = 1323157680.

The previous prime is 1325538013. The next prime is 1325538023. The reversal of 1325538017 is 7108355231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243391201 + 1082146816 = 15601^2 + 32896^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325538017 - 2² = 1325538013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325538013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189334 + ... + 1190447.

It is an arithmetic number, because the mean of its divisors is an integer number (331979589).

Almost surely, 2^1325538017 is an apocalyptic number.

It is an amenable number.

1325538017 is a deficient number, since it is larger than the sum of its proper divisors (2380339).

1325538017 is an equidigital number, since it uses as much as digits as its factorization.

1325538017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380338.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1325538017 is about 36407.9389282063. The cubic root of 1325538017 is about 1098.4932585483.

The spelling of 1325538017 in words is "one billion, three hundred twenty-five million, five hundred thirty-eight thousand, seventeen".