2648031517 has 4 divisors (see below), whose sum is σ = 2648134620. Its totient is φ = 2647928416.

The previous prime is 2648031497. The next prime is 2648031587. The reversal of 2648031517 is 7151308462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 675428121 + 1972603396 = 25989^2 + 44414^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648031517 - 2⁷ = 2648031389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648031587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21159 + ... + 75787.

It is an arithmetic number, because the mean of its divisors is an integer number (662033655).

Almost surely, 2^2648031517 is an apocalyptic number.

It is an amenable number.

2648031517 is a deficient number, since it is larger than the sum of its proper divisors (103103).

2648031517 is an equidigital number, since it uses as much as digits as its factorization.

2648031517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103102.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2648031517 is about 51459.0275559109. The cubic root of 2648031517 is about 1383.4847721113.

Adding to 2648031517 its reverse (7151308462), we get a palindrome (9799339979).

The spelling of 2648031517 in words is "two billion, six hundred forty-eight million, thirty-one thousand, five hundred seventeen".