1325993 has 2 divisors, whose sum is σ = 1325994. Its totient is φ = 1325992.

The previous prime is 1325977. The next prime is 1326001. The reversal of 1325993 is 3995231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 238144 = 1043^2 + 488^2 .

It is an emirp because it is prime and its reverse (3995231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325993 - 2⁴ = 1325977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325903) 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 as a sum of consecutive naturals, namely, 662996 + 662997.

It is an arithmetic number, because the mean of its divisors is an integer number (662997).

2^1325993 is an apocalyptic number.

It is an amenable number.

1325993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325993 is an equidigital number, since it uses as much as digits as its factorization.

1325993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 32.

The square root of 1325993 is about 1151.5176941758. The cubic root of 1325993 is about 109.8618927919.

The spelling of 1325993 in words is "one million, three hundred twenty-five thousand, nine hundred ninety-three".