1325321 has 4 divisors (see below), whose sum is σ = 1327872. Its totient is φ = 1322772.

The previous prime is 1325309. The next prime is 1325333. The reversal of 1325321 is 1235231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1235231 = 89 ⋅13879.

It is an interprime number because it is at equal distance from previous prime (1325309) and next prime (1325333).

It is a cyclic number.

It is not a de Polignac number, because 1325321 - 2¹⁸ = 1063177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325321.

It is not an unprimeable number, because it can be changed into a prime (1325351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

2^1325321 is an apocalyptic number.

It is an amenable number.

1325321 is a deficient number, since it is larger than the sum of its proper divisors (2551).

1325321 is an equidigital number, since it uses as much as digits as its factorization.

1325321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550.

The product of its digits is 180, while the sum is 17.

The square root of 1325321 is about 1151.2258683681. The cubic root of 1325321 is about 109.8433306861.

The spelling of 1325321 in words is "one million, three hundred twenty-five thousand, three hundred twenty-one".