522712373 has 2 divisors, whose sum is σ = 522712374. Its totient is φ = 522712372.

The previous prime is 522712369. The next prime is 522712381. The reversal of 522712373 is 373217225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520843684 + 1868689 = 22822^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 522712373 - 2² = 522712369 is a prime.

It is a super-2 number, since 2×522712373² = 546456449774582258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522712313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261356186 + 261356187.

It is an arithmetic number, because the mean of its divisors is an integer number (261356187).

Almost surely, 2^522712373 is an apocalyptic number.

It is an amenable number.

522712373 is a deficient number, since it is larger than the sum of its proper divisors (1).

522712373 is an equidigital number, since it uses as much as digits as its factorization.

522712373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 522712373 is about 22862.9038619332. The cubic root of 522712373 is about 805.5408954337.

Adding to 522712373 its reverse (373217225), we get a palindrome (895929598).

The spelling of 522712373 in words is "five hundred twenty-two million, seven hundred twelve thousand, three hundred seventy-three".