1326052193 has 2 divisors, whose sum is σ = 1326052194. Its totient is φ = 1326052192.

The previous prime is 1326052151. The next prime is 1326052223. The reversal of 1326052193 is 3912506231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199444689 + 126607504 = 34633^2 + 11252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326052193 - 2²⁸ = 1057616737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1326051193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663026096 + 663026097.

It is an arithmetic number, because the mean of its divisors is an integer number (663026097).

Almost surely, 2^1326052193 is an apocalyptic number.

It is an amenable number.

1326052193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326052193 is an equidigital number, since it uses as much as digits as its factorization.

1326052193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1326052193 is about 36414.9995606206. Note that the first 3 decimals coincide. The cubic root of 1326052193 is about 1098.6352753111.

Adding to 1326052193 its sum of digits (32), we get a square (1326052225 = 36415²).

The spelling of 1326052193 in words is "one billion, three hundred twenty-six million, fifty-two thousand, one hundred ninety-three".