501797250 has 96 divisors (see below), whose sum is σ = 1373718528. Its totient is φ = 132151200.

The previous prime is 501797249. The next prime is 501797251. The reversal of 501797250 is 52797105.

It is an interprime number because it is at equal distance from previous prime (501797249) and next prime (501797251).

It is not an unprimeable number, because it can be changed into a prime (501797251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185407 + ... + 188093.

It is an arithmetic number, because the mean of its divisors is an integer number (14309568).

Almost surely, 2^501797250 is an apocalyptic number.

501797250 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 501797250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686859264).

501797250 is an abundant number, since it is smaller than the sum of its proper divisors (871921278).

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

501797250 is a wasteful number, since it uses less digits than its factorization.

501797250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 501797250 is about 22400.8314577830. The cubic root of 501797250 is about 794.6503743285.

The spelling of 501797250 in words is "five hundred one million, seven hundred ninety-seven thousand, two hundred fifty".