505475000 has 48 divisors (see below), whose sum is σ = 1184689800. Its totient is φ = 202180000.

The previous prime is 505474999. The next prime is 505475021. The reversal of 505475000 is 574505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14891 + ... + 35109.

Almost surely, 2^505475000 is an apocalyptic number.

505475000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505475000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592344900).

505475000 is an abundant number, since it is smaller than the sum of its proper divisors (679214800).

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

505475000 is an equidigital number, since it uses as much as digits as its factorization.

505475000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20250 (or 20226 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 505475000 is about 22482.7711815070. The cubic root of 505475000 is about 796.5870226885.

The spelling of 505475000 in words is "five hundred five million, four hundred seventy-five thousand".