522959009 has 2 divisors, whose sum is σ = 522959010. Its totient is φ = 522959008.

The previous prime is 522958987. The next prime is 522959011. The reversal of 522959009 is 900959225.

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., 515517025 + 7441984 = 22705^2 + 2728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522959009 is a prime.

It is a super-2 number, since 2×522959009² = 546972250188524162, which contains 22 as substring.

Together with 522959011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522959509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261479504 + 261479505.

It is an arithmetic number, because the mean of its divisors is an integer number (261479505).

Almost surely, 2^522959009 is an apocalyptic number.

It is an amenable number.

522959009 is a deficient number, since it is larger than the sum of its proper divisors (1).

522959009 is an equidigital number, since it uses as much as digits as its factorization.

522959009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 522959009 is about 22868.2970288563. The cubic root of 522959009 is about 805.6675706731.

The spelling of 522959009 in words is "five hundred twenty-two million, nine hundred fifty-nine thousand, nine".