501233250 has 192 divisors, whose sum is σ = 1521172224. Its totient is φ = 109401600.

The previous prime is 501233237. The next prime is 501233311. The reversal of 501233250 is 52332105.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 844954 + ... + 845546.

It is an arithmetic number, because the mean of its divisors is an integer number (7922772).

Almost surely, 2^501233250 is an apocalyptic number.

501233250 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 501233250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760586112).

501233250 is an abundant number, since it is smaller than the sum of its proper divisors (1019938974).

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

501233250 is a wasteful number, since it uses less digits than its factorization.

501233250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 501233250 is about 22388.2391000275. The cubic root of 501233250 is about 794.3525443256.

Adding to 501233250 its reverse (52332105), we get a palindrome (553565355).

The spelling of 501233250 in words is "five hundred one million, two hundred thirty-three thousand, two hundred fifty".