533345489 has 2 divisors, whose sum is σ = 533345490. Its totient is φ = 533345488.

The previous prime is 533345441. The next prime is 533345503. The reversal of 533345489 is 984543335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520204864 + 13140625 = 22808^2 + 3625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533345489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (533345419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266672744 + 266672745.

It is an arithmetic number, because the mean of its divisors is an integer number (266672745).

Almost surely, 2^533345489 is an apocalyptic number.

It is an amenable number.

533345489 is a deficient number, since it is larger than the sum of its proper divisors (1).

533345489 is an equidigital number, since it uses as much as digits as its factorization.

533345489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 44.

The square root of 533345489 is about 23094.2739439888. The cubic root of 533345489 is about 810.9664271313.

The spelling of 533345489 in words is "five hundred thirty-three million, three hundred forty-five thousand, four hundred eighty-nine".