503450250 has 64 divisors (see below), whose sum is σ = 1261757952. Its totient is φ = 133704000.

The previous prime is 503450249. The next prime is 503450251. The reversal of 503450250 is 52054305.

It is an interprime number because it is at equal distance from previous prime (503450249) and next prime (503450251).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 503450250.

It is not an unprimeable number, because it can be changed into a prime (503450251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202012 + ... + 204488.

It is an arithmetic number, because the mean of its divisors is an integer number (19714968).

Almost surely, 2^503450250 is an apocalyptic number.

503450250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 503450250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630878976).

503450250 is an abundant number, since it is smaller than the sum of its proper divisors (758307702).

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

503450250 is a wasteful number, since it uses less digits than its factorization.

503450250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 503450250 is about 22437.6970743434. The cubic root of 503450250 is about 795.5219862177.

The spelling of 503450250 in words is "five hundred three million, four hundred fifty thousand, two hundred fifty".