505245500 has 24 divisors (see below), whose sum is σ = 1103457264. Its totient is φ = 202098000.

The previous prime is 505245479. The next prime is 505245541. The reversal of 505245500 is 5542505.

It is a self number, because there is not a number n which added to its sum of digits gives 505245500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504746 + ... + 505745.

It is an arithmetic number, because the mean of its divisors is an integer number (45977386).

Almost surely, 2^505245500 is an apocalyptic number.

505245500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505245500 is an abundant number, since it is smaller than the sum of its proper divisors (598211764).

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

505245500 is a wasteful number, since it uses less digits than its factorization.

505245500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010510 (or 1010498 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 505245500 is about 22477.6666938541. Note that the first 4 decimals coincide. The cubic root of 505245500 is about 796.4664467308.

The spelling of 505245500 in words is "five hundred five million, two hundred forty-five thousand, five hundred".