530297280 has 280 divisors, whose sum is σ = 1936242000. Its totient is φ = 137687040.

The previous prime is 530297279. The next prime is 530297281. The reversal of 530297280 is 82792035.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (530297279) and next prime (530297281).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530297281) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1062471 + ... + 1062969.

It is an arithmetic number, because the mean of its divisors is an integer number (6915150).

Almost surely, 2^530297280 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 530297280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968121000).

530297280 is an abundant number, since it is smaller than the sum of its proper divisors (1405944720).

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

530297280 is a wasteful number, since it uses less digits than its factorization.

530297280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 530297280 is about 23028.1844703398. The cubic root of 530297280 is about 809.4185126997.

The spelling of 530297280 in words is "five hundred thirty million, two hundred ninety-seven thousand, two hundred eighty".