488530909 has 2 divisors, whose sum is σ = 488530910. Its totient is φ = 488530908.

The previous prime is 488530877. The next prime is 488530981. The reversal of 488530909 is 909035884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384552100 + 103978809 = 19610^2 + 10197^2 .

It is a cyclic number.

It is not a de Polignac number, because 488530909 - 2⁵ = 488530877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488530709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244265454 + 244265455.

It is an arithmetic number, because the mean of its divisors is an integer number (244265455).

Almost surely, 2^488530909 is an apocalyptic number.

It is an amenable number.

488530909 is a deficient number, since it is larger than the sum of its proper divisors (1).

488530909 is an equidigital number, since it uses as much as digits as its factorization.

488530909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 488530909 is about 22102.7353284610. The cubic root of 488530909 is about 787.5848415857.

The spelling of 488530909 in words is "four hundred eighty-eight million, five hundred thirty thousand, nine hundred nine".