528233620 has 24 divisors (see below), whose sum is σ = 1119472200. Its totient is φ = 209354112.

The previous prime is 528233609. The next prime is 528233653. The reversal of 528233620 is 26332825.

It can be written as a sum of positive squares in 4 ways, for example, as 229704336 + 298529284 = 15156^2 + 17278^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118975 + ... + 123334.

It is an arithmetic number, because the mean of its divisors is an integer number (46644675).

Almost surely, 2^528233620 is an apocalyptic number.

It is an amenable number.

528233620 is an abundant number, since it is smaller than the sum of its proper divisors (591238580).

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

528233620 is a wasteful number, since it uses less digits than its factorization.

528233620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242427 (or 242425 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 528233620 is about 22983.3335267102. Note that the first 3 decimals coincide. The cubic root of 528233620 is about 808.3671929228.

The spelling of 528233620 in words is "five hundred twenty-eight million, two hundred thirty-three thousand, six hundred twenty".