505469 has 2 divisors, whose sum is σ = 505470. Its totient is φ = 505468.

The previous prime is 505459. The next prime is 505481. The reversal of 505469 is 964505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 1369 = 710^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 505469 - 2⁸ = 505213 is a prime.

It is a super-2 number, since 2×505469² = 510997819922, which contains 22 as substring.

It is a Chen prime.

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 505469.

It is not a weakly prime, because it can be changed into another prime (505409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252734 + 252735.

It is an arithmetic number, because the mean of its divisors is an integer number (252735).

2⁵⁰⁵⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

505469 is a deficient number, since it is larger than the sum of its proper divisors (1).

505469 is an equidigital number, since it uses as much as digits as its factorization.

505469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 505469 is about 710.9634308458. The cubic root of 505469 is about 79.6583870841.

The spelling of 505469 in words is "five hundred five thousand, four hundred sixty-nine".