500459661 has 16 divisors (see below), whose sum is σ = 798454720. Its totient is φ = 307974960.

The previous prime is 500459633. The next prime is 500459681. The reversal of 500459661 is 166954005.

500459661 is a `hidden beast` number, since 5 + 0 + 0 + 4 + 596 + 61 = 666.

It is not a de Polignac number, because 500459661 - 2¹¹ = 500457613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500459621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712555 + ... + 713256.

It is an arithmetic number, because the mean of its divisors is an integer number (49903420).

Almost surely, 2^500459661 is an apocalyptic number.

It is an amenable number.

500459661 is a deficient number, since it is larger than the sum of its proper divisors (297995059).

500459661 is a wasteful number, since it uses less digits than its factorization.

500459661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425833 (or 1425827 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 500459661 is about 22370.9557462349. The cubic root of 500459661 is about 793.9436736073.

The spelling of 500459661 in words is "five hundred million, four hundred fifty-nine thousand, six hundred sixty-one".