522452813 has 2 divisors, whose sum is σ = 522452814. Its totient is φ = 522452812.

The previous prime is 522452783. The next prime is 522452831. The reversal of 522452813 is 318254225.

522452813 = 16162² + 16163².

Together with next prime (522452831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261242569 + 261210244 = 16163^2 + 16162^2 .

It is a cyclic number.

It is not a de Polignac number, because 522452813 - 2¹⁴ = 522436429 is a prime.

It is a super-2 number, since 2×522452813² = 545913883623225938, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522452813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522452863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261226406 + 261226407.

It is an arithmetic number, because the mean of its divisors is an integer number (261226407).

Almost surely, 2^522452813 is an apocalyptic number.

522452813 is the 16163-rd centered square number.

It is an amenable number.

522452813 is a deficient number, since it is larger than the sum of its proper divisors (1).

522452813 is an equidigital number, since it uses as much as digits as its factorization.

522452813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The square root of 522452813 is about 22857.2267127926. The cubic root of 522452813 is about 805.4075392304.

The spelling of 522452813 in words is "five hundred twenty-two million, four hundred fifty-two thousand, eight hundred thirteen".