52522109 has 2 divisors, whose sum is σ = 52522110. Its totient is φ = 52522108.

The previous prime is 52522081. The next prime is 52522111. The reversal of 52522109 is 90122525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 1898884 = 7115^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 52522109 - 2¹² = 52518013 is a prime.

Together with 52522111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52522139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26261054 + 26261055.

It is an arithmetic number, because the mean of its divisors is an integer number (26261055).

Almost surely, 2^52522109 is an apocalyptic number.

It is an amenable number.

52522109 is a deficient number, since it is larger than the sum of its proper divisors (1).

52522109 is an equidigital number, since it uses as much as digits as its factorization.

52522109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 52522109 is about 7247.2138784501. The cubic root of 52522109 is about 374.4961743587.

The spelling of 52522109 in words is "fifty-two million, five hundred twenty-two thousand, one hundred nine".