530021450 has 48 divisors (see below), whose sum is σ = 1132171584. Its totient is φ = 180835200.

The previous prime is 530021431. The next prime is 530021561. The reversal of 530021450 is 54120035.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70262 + ... + 77438.

It is an arithmetic number, because the mean of its divisors is an integer number (23586908).

Almost surely, 2^530021450 is an apocalyptic number.

530021450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

530021450 is an abundant number, since it is smaller than the sum of its proper divisors (602150134).

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

530021450 is a wasteful number, since it uses less digits than its factorization.

530021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407 (or 7402 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 530021450 is about 23022.1947259596. The cubic root of 530021450 is about 809.2781507824.

Adding to 530021450 its reverse (54120035), we get a palindrome (584141485).

The spelling of 530021450 in words is "five hundred thirty million, twenty-one thousand, four hundred fifty".