528030530 has 32 divisors (see below), whose sum is σ = 976060800. Its totient is φ = 205592832.

The previous prime is 528030509. The next prime is 528030563. The reversal of 528030530 is 35030825.

It is a super-2 number, since 2×528030530² = 557632481224161800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 528030530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56426 + ... + 65114.

It is an arithmetic number, because the mean of its divisors is an integer number (30501900).

Almost surely, 2^528030530 is an apocalyptic number.

528030530 is a deficient number, since it is larger than the sum of its proper divisors (448030270).

528030530 is a wasteful number, since it uses less digits than its factorization.

528030530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 528030530 is about 22978.9149004038. The cubic root of 528030530 is about 808.2635819881.

The spelling of 528030530 in words is "five hundred twenty-eight million, thirty thousand, five hundred thirty".