489507533 has 2 divisors, whose sum is σ = 489507534. Its totient is φ = 489507532.

The previous prime is 489507481. The next prime is 489507553. The reversal of 489507533 is 335705984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276989449 + 212518084 = 16643^2 + 14578^2 .

It is a cyclic number.

It is not a de Polignac number, because 489507533 - 2¹² = 489503437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489507553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244753766 + 244753767.

It is an arithmetic number, because the mean of its divisors is an integer number (244753767).

Almost surely, 2^489507533 is an apocalyptic number.

It is an amenable number.

489507533 is a deficient number, since it is larger than the sum of its proper divisors (1).

489507533 is an equidigital number, since it uses as much as digits as its factorization.

489507533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 489507533 is about 22124.8171291878. The cubic root of 489507533 is about 788.1093135346.

The spelling of 489507533 in words is "four hundred eighty-nine million, five hundred seven thousand, five hundred thirty-three".