505000459 has 2 divisors, whose sum is σ = 505000460. Its totient is φ = 505000458.

The previous prime is 505000439. The next prime is 505000499. The reversal of 505000459 is 954000505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505000459 - 2¹¹ = 504998411 is a prime.

It is not a weakly prime, because it can be changed into another prime (505000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500229 + 252500230.

It is an arithmetic number, because the mean of its divisors is an integer number (252500230).

Almost surely, 2^505000459 is an apocalyptic number.

505000459 is a deficient number, since it is larger than the sum of its proper divisors (1).

505000459 is an equidigital number, since it uses as much as digits as its factorization.

505000459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 505000459 is about 22472.2152668579. The cubic root of 505000459 is about 796.3376654454.

The spelling of 505000459 in words is "five hundred five million, four hundred fifty-nine", and thus it is an aban number.