522007009 has 2 divisors, whose sum is σ = 522007010. Its totient is φ = 522007008.

The previous prime is 522007001. The next prime is 522007019. The reversal of 522007009 is 900700225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512886609 + 9120400 = 22647^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 522007009 - 2³ = 522007001 is a prime.

It is not a weakly prime, because it can be changed into another prime (522007001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261003504 + 261003505.

It is an arithmetic number, because the mean of its divisors is an integer number (261003505).

Almost surely, 2^522007009 is an apocalyptic number.

It is an amenable number.

522007009 is a deficient number, since it is larger than the sum of its proper divisors (1).

522007009 is an equidigital number, since it uses as much as digits as its factorization.

522007009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 522007009 is about 22847.4727048748. The cubic root of 522007009 is about 805.1783918523.

The spelling of 522007009 in words is "five hundred twenty-two million, seven thousand, nine".