488409997 has 2 divisors, whose sum is σ = 488409998. Its totient is φ = 488409996.

The previous prime is 488409979. The next prime is 488410007. The reversal of 488409997 is 799904884.

Together with previous prime (488409979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477247716 + 11162281 = 21846^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 488409997 - 2²³ = 480021389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488409937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244204998 + 244204999.

It is an arithmetic number, because the mean of its divisors is an integer number (244204999).

Almost surely, 2^488409997 is an apocalyptic number.

It is an amenable number.

488409997 is a deficient number, since it is larger than the sum of its proper divisors (1).

488409997 is an equidigital number, since it uses as much as digits as its factorization.

488409997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 488409997 is about 22099.9999321267. Note that the first 4 decimals coincide. The cubic root of 488409997 is about 787.5198601525.

The spelling of 488409997 in words is "four hundred eighty-eight million, four hundred nine thousand, nine hundred ninety-seven".