2487684317 has 2 divisors, whose sum is σ = 2487684318. Its totient is φ = 2487684316.

The previous prime is 2487684313. The next prime is 2487684349. The reversal of 2487684317 is 7134867842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2305056121 + 182628196 = 48011^2 + 13514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2487684317 - 2² = 2487684313 is a prime.

It is a super-2 number, since 2×2487684317² = 12377146522095512978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2487684313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243842158 + 1243842159.

It is an arithmetic number, because the mean of its divisors is an integer number (1243842159).

Almost surely, 2^2487684317 is an apocalyptic number.

It is an amenable number.

2487684317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2487684317 is an equidigital number, since it uses as much as digits as its factorization.

2487684317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 50.

The square root of 2487684317 is about 49876.6911191992. The cubic root of 2487684317 is about 1354.9764781255.

The spelling of 2487684317 in words is "two billion, four hundred eighty-seven million, six hundred eighty-four thousand, three hundred seventeen".