516469 has 2 divisors, whose sum is σ = 516470. Its totient is φ = 516468.

The previous prime is 516457. The next prime is 516493. The reversal of 516469 is 964615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508369 + 8100 = 713^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 516469 - 2⁵ = 516437 is a prime.

It is a super-2 number, since 2×516469² = 533480455922, 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 516469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258234 + 258235.

It is an arithmetic number, because the mean of its divisors is an integer number (258235).

2⁵¹⁶⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

516469 is a deficient number, since it is larger than the sum of its proper divisors (1).

516469 is an equidigital number, since it uses as much as digits as its factorization.

516469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 516469 is about 718.6577766921. The cubic root of 516469 is about 80.2320864640.

The spelling of 516469 in words is "five hundred sixteen thousand, four hundred sixty-nine".