468509 has 2 divisors, whose sum is σ = 468510. Its totient is φ = 468508.

The previous prime is 468499. The next prime is 468527. The reversal of 468509 is 905864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 120409 = 590^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 468509 - 2⁴ = 468493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234254 + 234255.

It is an arithmetic number, because the mean of its divisors is an integer number (234255).

2⁴⁶⁸⁵⁰⁹ is an apocalyptic number.

It is an amenable number.

468509 is a deficient number, since it is larger than the sum of its proper divisors (1).

468509 is an equidigital number, since it uses as much as digits as its factorization.

468509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 468509 is about 684.4771727384. The cubic root of 468509 is about 77.6674976016.

The spelling of 468509 in words is "four hundred sixty-eight thousand, five hundred nine".