530320450 has 24 divisors (see below), whose sum is σ = 1076069520. Its totient is φ = 192843600.

The previous prime is 530320403. The next prime is 530320471. The reversal of 530320450 is 54023035.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481560 + ... + 482659.

It is an arithmetic number, because the mean of its divisors is an integer number (44836230).

Almost surely, 2^530320450 is an apocalyptic number.

530320450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

530320450 is an abundant number, since it is smaller than the sum of its proper divisors (545749070).

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

530320450 is a wasteful number, since it uses less digits than its factorization.

530320450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964242 (or 964237 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 530320450 is about 23028.6875440178. The cubic root of 530320450 is about 809.4303010271.

Adding to 530320450 its reverse (54023035), we get a palindrome (584343485).

The spelling of 530320450 in words is "five hundred thirty million, three hundred twenty thousand, four hundred fifty".