535004989 has 2 divisors, whose sum is σ = 535004990. Its totient is φ = 535004988.

The previous prime is 535004971. The next prime is 535004993. The reversal of 535004989 is 989400535.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287980900 + 247024089 = 16970^2 + 15717^2 .

It is a cyclic number.

It is not a de Polignac number, because 535004989 - 2¹³ = 534996797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535004959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267502494 + 267502495.

It is an arithmetic number, because the mean of its divisors is an integer number (267502495).

Almost surely, 2^535004989 is an apocalyptic number.

It is an amenable number.

535004989 is a deficient number, since it is larger than the sum of its proper divisors (1).

535004989 is an equidigital number, since it uses as much as digits as its factorization.

535004989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 535004989 is about 23130.1748588289. The cubic root of 535004989 is about 811.8066613432.

The spelling of 535004989 in words is "five hundred thirty-five million, four thousand, nine hundred eighty-nine".