489087601 has 2 divisors, whose sum is σ = 489087602. Its totient is φ = 489087600.

The previous prime is 489087587. The next prime is 489087623. The reversal of 489087601 is 106780984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449397601 + 39690000 = 21199^2 + 6300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489087601 is a prime.

It is not a weakly prime, because it can be changed into another prime (489087631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244543800 + 244543801.

It is an arithmetic number, because the mean of its divisors is an integer number (244543801).

Almost surely, 2^489087601 is an apocalyptic number.

It is an amenable number.

489087601 is a deficient number, since it is larger than the sum of its proper divisors (1).

489087601 is an equidigital number, since it uses as much as digits as its factorization.

489087601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 489087601 is about 22115.3250258729. The cubic root of 489087601 is about 787.8838849281.

The spelling of 489087601 in words is "four hundred eighty-nine million, eighty-seven thousand, six hundred one".