530520306 has 8 divisors (see below), whose sum is σ = 1061040624. Its totient is φ = 176840100.

The previous prime is 530520293. The next prime is 530520317. The reversal of 530520306 is 603025035.

It is a sphenic number, since it is the product of 3 distinct primes.

530520306 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44210020 + ... + 44210031.

It is an arithmetic number, because the mean of its divisors is an integer number (132630078).

Almost surely, 2^530520306 is an apocalyptic number.

530520306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

530520306 is a wasteful number, since it uses less digits than its factorization.

530520306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88420056.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 530520306 is about 23033.0264186016. The cubic root of 530520306 is about 809.5319686038.

The spelling of 530520306 in words is "five hundred thirty million, five hundred twenty thousand, three hundred six".