528265616 has 20 divisors (see below), whose sum is σ = 1083721932. Its totient is φ = 248595456.

The previous prime is 528265609. The next prime is 528265649. The reversal of 528265616 is 616562825.

It can be written as a sum of positive squares in 2 ways, for example, as 484176016 + 44089600 = 22004^2 + 6640^2 .

It is a super-2 number, since 2×528265616² = 558129122095718912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 970805 + ... + 971348.

Almost surely, 2^528265616 is an apocalyptic number.

It is an amenable number.

528265616 is an abundant number, since it is smaller than the sum of its proper divisors (555456316).

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

528265616 is a wasteful number, since it uses less digits than its factorization.

528265616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942178 (or 1942172 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 528265616 is about 22984.0295857798. The cubic root of 528265616 is about 808.3835139807.

The spelling of 528265616 in words is "five hundred twenty-eight million, two hundred sixty-five thousand, six hundred sixteen".