1345026593 has 2 divisors, whose sum is σ = 1345026594. Its totient is φ = 1345026592.

The previous prime is 1345026577. The next prime is 1345026619. The reversal of 1345026593 is 3956205431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881614864 + 463411729 = 29692^2 + 21527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345026593 - 2⁴ = 1345026577 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 (1345026503) 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, 672513296 + 672513297.

It is an arithmetic number, because the mean of its divisors is an integer number (672513297).

Almost surely, 2^1345026593 is an apocalyptic number.

It is an amenable number.

1345026593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345026593 is an equidigital number, since it uses as much as digits as its factorization.

1345026593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 1345026593 is about 36674.6041969099. The cubic root of 1345026593 is about 1103.8505804155.

The spelling of 1345026593 in words is "one billion, three hundred forty-five million, twenty-six thousand, five hundred ninety-three".