505006500 has 48 divisors (see below), whose sum is σ = 1470583296. Its totient is φ = 134668000.

The previous prime is 505006499. The next prime is 505006501. The reversal of 505006500 is 5600505.

It is an interprime number because it is at equal distance from previous prime (505006499) and next prime (505006501).

It is not an unprimeable number, because it can be changed into a prime (505006501) 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, 166836 + ... + 169835.

It is an arithmetic number, because the mean of its divisors is an integer number (30637152).

Almost surely, 2^505006500 is an apocalyptic number.

505006500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505006500 is an abundant number, since it is smaller than the sum of its proper divisors (965576796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505006500 is a wasteful number, since it uses less digits than its factorization.

505006500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336693 (or 336681 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 505006500 is about 22472.3496768807. The cubic root of 505006500 is about 796.3408407935.

The spelling of 505006500 in words is "five hundred five million, six thousand, five hundred".