1345026653 has 2 divisors, whose sum is σ = 1345026654. Its totient is φ = 1345026652.

The previous prime is 1345026643. The next prime is 1345026659. The reversal of 1345026653 is 3566205431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052548249 + 292478404 = 32443^2 + 17102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345026653 - 2¹⁶ = 1344961117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345026659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672513326 + 672513327.

It is an arithmetic number, because the mean of its divisors is an integer number (672513327).

Almost surely, 2^1345026653 is an apocalyptic number.

It is an amenable number.

1345026653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345026653 is an equidigital number, since it uses as much as digits as its factorization.

1345026653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 1345026653 is about 36674.6050149146. The cubic root of 1345026653 is about 1103.8505968293.

The spelling of 1345026653 in words is "one billion, three hundred forty-five million, twenty-six thousand, six hundred fifty-three".