1292405625317 has 2 divisors, whose sum is σ = 1292405625318. Its totient is φ = 1292405625316.

The previous prime is 1292405625307. The next prime is 1292405625331. The reversal of 1292405625317 is 7135265042921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021340656996 + 271064968321 = 1010614^2 + 520639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1292405625317 - 2²⁶ = 1292338516453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1292405625307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646202812658 + 646202812659.

It is an arithmetic number, because the mean of its divisors is an integer number (646202812659).

Almost surely, 2^{1292405625317} is an apocalyptic number.

It is an amenable number.

1292405625317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292405625317 is an equidigital number, since it uses as much as digits as its factorization.

1292405625317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 1292405625317 in words is "one trillion, two hundred ninety-two billion, four hundred five million, six hundred twenty-five thousand, three hundred seventeen".