522584989 has 2 divisors, whose sum is σ = 522584990. Its totient is φ = 522584988.

The previous prime is 522584983. The next prime is 522585013. The reversal of 522584989 is 989485225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355322500 + 167262489 = 18850^2 + 12933^2 .

It is a cyclic number.

It is not a de Polignac number, because 522584989 - 2⁵ = 522584957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522584983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261292494 + 261292495.

It is an arithmetic number, because the mean of its divisors is an integer number (261292495).

Almost surely, 2^522584989 is an apocalyptic number.

It is an amenable number.

522584989 is a deficient number, since it is larger than the sum of its proper divisors (1).

522584989 is an equidigital number, since it uses as much as digits as its factorization.

522584989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 52.

The square root of 522584989 is about 22860.1178693374. The cubic root of 522584989 is about 805.4754538618.

The spelling of 522584989 in words is "five hundred twenty-two million, five hundred eighty-four thousand, nine hundred eighty-nine".