1325021 has 2 divisors, whose sum is σ = 1325022. Its totient is φ = 1325020.

The previous prime is 1325017. The next prime is 1325047. The reversal of 1325021 is 1205231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 81796 = 1115^2 + 286^2 .

It is an emirp because it is prime and its reverse (1205231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325021 - 2² = 1325017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1324987 and 1325005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325011) 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 as a sum of consecutive naturals, namely, 662510 + 662511.

It is an arithmetic number, because the mean of its divisors is an integer number (662511).

2^1325021 is an apocalyptic number.

It is an amenable number.

1325021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325021 is an equidigital number, since it uses as much as digits as its factorization.

1325021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1325021 is about 1151.0955651031. The cubic root of 1325021 is about 109.8350420059.

The spelling of 1325021 in words is "one million, three hundred twenty-five thousand, twenty-one".