522047129 has 2 divisors, whose sum is σ = 522047130. Its totient is φ = 522047128.

The previous prime is 522047087. The next prime is 522047153. The reversal of 522047129 is 921740225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489294400 + 32752729 = 22120^2 + 5723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522047129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 522047095 and 522047104.

It is not a weakly prime, because it can be changed into another prime (522047159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261023564 + 261023565.

It is an arithmetic number, because the mean of its divisors is an integer number (261023565).

Almost surely, 2^522047129 is an apocalyptic number.

It is an amenable number.

522047129 is a deficient number, since it is larger than the sum of its proper divisors (1).

522047129 is an equidigital number, since it uses as much as digits as its factorization.

522047129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 522047129 is about 22848.3506844586. The cubic root of 522047129 is about 805.1990192442.

The spelling of 522047129 in words is "five hundred twenty-two million, forty-seven thousand, one hundred twenty-nine".