1306252264417 has 2 divisors, whose sum is σ = 1306252264418. Its totient is φ = 1306252264416.

The previous prime is 1306252264409. The next prime is 1306252264459. The reversal of 1306252264417 is 7144622526031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867066394896 + 439185869521 = 931164^2 + 662711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306252264417 - 2³ = 1306252264409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1306252264717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653126132208 + 653126132209.

It is an arithmetic number, because the mean of its divisors is an integer number (653126132209).

Almost surely, 2^{1306252264417} is an apocalyptic number.

It is an amenable number.

1306252264417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306252264417 is an equidigital number, since it uses as much as digits as its factorization.

1306252264417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 1306252264417 in words is "one trillion, three hundred six billion, two hundred fifty-two million, two hundred sixty-four thousand, four hundred seventeen".