522469 has 2 divisors, whose sum is σ = 522470. Its totient is φ = 522468.

The previous prime is 522449. The next prime is 522479. The reversal of 522469 is 964225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 191844 = 575^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 522469 - 2¹³ = 514277 is a prime.

It is a super-2 number, since 2×522469² = 545947711922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522409) 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, 261234 + 261235.

It is an arithmetic number, because the mean of its divisors is an integer number (261235).

2⁵²²⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

522469 is a deficient number, since it is larger than the sum of its proper divisors (1).

522469 is an equidigital number, since it uses as much as digits as its factorization.

522469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 522469 is about 722.8201712736. The cubic root of 522469 is about 80.5415857045.

The spelling of 522469 in words is "five hundred twenty-two thousand, four hundred sixty-nine".