489000331 has 2 divisors, whose sum is σ = 489000332. Its totient is φ = 489000330.

The previous prime is 489000277. The next prime is 489000373. The reversal of 489000331 is 133000984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489000331 - 2¹¹ = 488998283 is a prime.

It is a super-2 number, since 2×489000331² = 478242647436219122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489000331.

It is not a weakly prime, because it can be changed into another prime (489000731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244500165 + 244500166.

It is an arithmetic number, because the mean of its divisors is an integer number (244500166).

Almost surely, 2^489000331 is an apocalyptic number.

489000331 is a deficient number, since it is larger than the sum of its proper divisors (1).

489000331 is an equidigital number, since it uses as much as digits as its factorization.

489000331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 489000331 is about 22113.3518716634. The cubic root of 489000331 is about 787.8370203061.

The spelling of 489000331 in words is "four hundred eighty-nine million, three hundred thirty-one", and thus it is an aban number.