523226189 has 2 divisors, whose sum is σ = 523226190. Its totient is φ = 523226188.

The previous prime is 523226167. The next prime is 523226201. The reversal of 523226189 is 981622325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496621225 + 26604964 = 22285^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 523226189 - 2¹⁶ = 523160653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523226159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261613094 + 261613095.

It is an arithmetic number, because the mean of its divisors is an integer number (261613095).

Almost surely, 2^523226189 is an apocalyptic number.

It is an amenable number.

523226189 is a deficient number, since it is larger than the sum of its proper divisors (1).

523226189 is an equidigital number, since it uses as much as digits as its factorization.

523226189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 523226189 is about 22874.1379946874. The cubic root of 523226189 is about 805.8047526254.

The spelling of 523226189 in words is "five hundred twenty-three million, two hundred twenty-six thousand, one hundred eighty-nine".