522101009 has 2 divisors, whose sum is σ = 522101010. Its totient is φ = 522101008.

The previous prime is 522100921. The next prime is 522101033. The reversal of 522101009 is 900101225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521985409 + 115600 = 22847^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 522101009 - 2²⁸ = 253665553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522101509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261050504 + 261050505.

It is an arithmetic number, because the mean of its divisors is an integer number (261050505).

Almost surely, 2^522101009 is an apocalyptic number.

It is an amenable number.

522101009 is a deficient number, since it is larger than the sum of its proper divisors (1).

522101009 is an equidigital number, since it uses as much as digits as its factorization.

522101009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 522101009 is about 22849.5297325787. The cubic root of 522101009 is about 805.2267195726.

The spelling of 522101009 in words is "five hundred twenty-two million, one hundred one thousand, nine".