1325305 has 8 divisors (see below), whose sum is σ = 1596744. Its totient is φ = 1056000.

The previous prime is 1325293. The next prime is 1325309. The reversal of 1325305 is 5035231.

It can be written as a sum of positive squares in 4 ways, for example, as 710649 + 614656 = 843^2 + 784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325305 - 2⁵ = 1325273 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675 + ... + 2335.

It is an arithmetic number, because the mean of its divisors is an integer number (199593).

2^1325305 is an apocalyptic number.

It is an amenable number.

1325305 is a deficient number, since it is larger than the sum of its proper divisors (271439).

1325305 is an equidigital number, since it uses as much as digits as its factorization.

1325305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1325305 is about 1151.2189192330. The cubic root of 1325305 is about 109.8428886547.

The spelling of 1325305 in words is "one million, three hundred twenty-five thousand, three hundred five".