522413 has 2 divisors, whose sum is σ = 522414. Its totient is φ = 522412.

The previous prime is 522409. The next prime is 522439. The reversal of 522413 is 314225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515524 + 6889 = 718^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 522413 - 2² = 522409 is a prime.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 522391 and 522400.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522413.

It is not a weakly prime, because it can be changed into another prime (522113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261206 + 261207.

It is an arithmetic number, because the mean of its divisors is an integer number (261207).

2⁵²²⁴¹³ is an apocalyptic number.

It is an amenable number.

522413 is a deficient number, since it is larger than the sum of its proper divisors (1).

522413 is an equidigital number, since it uses as much as digits as its factorization.

522413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 17.

The square root of 522413 is about 722.7814330764. The cubic root of 522413 is about 80.5387080282.

Adding to 522413 its reverse (314225), we get a palindrome (836638).

The spelling of 522413 in words is "five hundred twenty-two thousand, four hundred thirteen".