522712361 has 2 divisors, whose sum is σ = 522712362. Its totient is φ = 522712360.

The previous prime is 522712319. The next prime is 522712367. The reversal of 522712361 is 163217225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417957136 + 104755225 = 20444^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 522712361 - 2¹⁸ = 522450217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522712367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261356180 + 261356181.

It is an arithmetic number, because the mean of its divisors is an integer number (261356181).

Almost surely, 2^522712361 is an apocalyptic number.

It is an amenable number.

522712361 is a deficient number, since it is larger than the sum of its proper divisors (1).

522712361 is an equidigital number, since it uses as much as digits as its factorization.

522712361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 522712361 is about 22862.9035994993. The cubic root of 522712361 is about 805.5408892694.

Adding to 522712361 its reverse (163217225), we get a palindrome (685929586).

The spelling of 522712361 in words is "five hundred twenty-two million, seven hundred twelve thousand, three hundred sixty-one".