530144250 has 128 divisors (see below), whose sum is σ = 1403011584. Its totient is φ = 133056000.

The previous prime is 530144249. The next prime is 530144257. The reversal of 530144250 is 52441035.

It is a self number, because there is not a number n which added to its sum of digits gives 530144250.

It is not an unprimeable number, because it can be changed into a prime (530144257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1259040 + ... + 1259460.

It is an arithmetic number, because the mean of its divisors is an integer number (10961028).

Almost surely, 2^530144250 is an apocalyptic number.

530144250 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 530144250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701505792).

530144250 is an abundant number, since it is smaller than the sum of its proper divisors (872867334).

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

530144250 is a wasteful number, since it uses less digits than its factorization.

530144250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 530144250 is about 23024.8615631017. The cubic root of 530144250 is about 809.3406461669.

Adding to 530144250 its reverse (52441035), we get a palindrome (582585285).

The spelling of 530144250 in words is "five hundred thirty million, one hundred forty-four thousand, two hundred fifty".