488648591 has 2 divisors, whose sum is σ = 488648592. Its totient is φ = 488648590.

The previous prime is 488648549. The next prime is 488648597. The reversal of 488648591 is 195846884.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488648591 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488648597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244324295 + 244324296.

It is an arithmetic number, because the mean of its divisors is an integer number (244324296).

Almost surely, 2^488648591 is an apocalyptic number.

488648591 is a deficient number, since it is larger than the sum of its proper divisors (1).

488648591 is an equidigital number, since it uses as much as digits as its factorization.

488648591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 53.

The square root of 488648591 is about 22105.3973273497. The cubic root of 488648591 is about 787.6480768327.

The spelling of 488648591 in words is "four hundred eighty-eight million, six hundred forty-eight thousand, five hundred ninety-one".