425917541717 has 2 divisors, whose sum is σ = 425917541718. Its totient is φ = 425917541716.

The previous prime is 425917541677. The next prime is 425917541783. The reversal of 425917541717 is 717145719524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342785659441 + 83131882276 = 585479^2 + 288326^2 .

It is a cyclic number.

It is not a de Polignac number, because 425917541717 - 2¹⁰ = 425917540693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425917541317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212958770858 + 212958770859.

It is an arithmetic number, because the mean of its divisors is an integer number (212958770859).

Almost surely, 2^425917541717 is an apocalyptic number.

It is an amenable number.

425917541717 is a deficient number, since it is larger than the sum of its proper divisors (1).

425917541717 is an equidigital number, since it uses as much as digits as its factorization.

425917541717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2469600, while the sum is 53.

The spelling of 425917541717 in words is "four hundred twenty-five billion, nine hundred seventeen million, five hundred forty-one thousand, seven hundred seventeen".