530253724 has 144 divisors (see below), whose sum is σ = 1280918016. Its totient is φ = 186451200.

The previous prime is 530253679. The next prime is 530253733. The reversal of 530253724 is 427352035.

530253724 = 168² + 169² + ... + 1168².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3175089 + ... + 3175255.

It is an arithmetic number, because the mean of its divisors is an integer number (8895264).

Almost surely, 2^530253724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530253724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640459008).

530253724 is an abundant number, since it is smaller than the sum of its proper divisors (750664292).

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

530253724 is a wasteful number, since it uses less digits than its factorization.

530253724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 530253724 is about 23027.2387402398. The cubic root of 530253724 is about 809.3963515464.

The spelling of 530253724 in words is "five hundred thirty million, two hundred fifty-three thousand, seven hundred twenty-four".