488395517 has 2 divisors, whose sum is σ = 488395518. Its totient is φ = 488395516.

The previous prime is 488395469. The next prime is 488395541. The reversal of 488395517 is 715593884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254274916 + 234120601 = 15946^2 + 15301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488395517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488395217) 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 as a sum of consecutive naturals, namely, 244197758 + 244197759.

It is an arithmetic number, because the mean of its divisors is an integer number (244197759).

Almost surely, 2^488395517 is an apocalyptic number.

It is an amenable number.

488395517 is a deficient number, since it is larger than the sum of its proper divisors (1).

488395517 is an equidigital number, since it uses as much as digits as its factorization.

488395517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 50.

The square root of 488395517 is about 22099.6723278876. The cubic root of 488395517 is about 787.5120774834.

The spelling of 488395517 in words is "four hundred eighty-eight million, three hundred ninety-five thousand, five hundred seventeen".