1718313425 has 6 divisors (see below), whose sum is σ = 2130708678. Its totient is φ = 1374650720.

The previous prime is 1718313419. The next prime is 1718313449. The reversal of 1718313425 is 5243138171.

It can be written as a sum of positive squares in 3 ways, for example, as 408524944 + 1309788481 = 20212^2 + 36191^2 .

It is not a de Polignac number, because 1718313425 - 2¹⁸ = 1718051281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34366244 + ... + 34366293.

It is an arithmetic number, because the mean of its divisors is an integer number (355118113).

Almost surely, 2^1718313425 is an apocalyptic number.

It is an amenable number.

1718313425 is a deficient number, since it is larger than the sum of its proper divisors (412395253).

1718313425 is an equidigital number, since it uses as much as digits as its factorization.

1718313425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68732547 (or 68732542 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 1718313425 is about 41452.5442524340. The cubic root of 1718313425 is about 1197.7535343864.

The spelling of 1718313425 in words is "one billion, seven hundred eighteen million, three hundred thirteen thousand, four hundred twenty-five".