528738530 has 16 divisors (see below), whose sum is σ = 967861440. Its totient is φ = 207910512.

The previous prime is 528738523. The next prime is 528738557. The reversal of 528738530 is 35837825.

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, 447494 + ... + 448673.

It is an arithmetic number, because the mean of its divisors is an integer number (60491340).

Almost surely, 2^528738530 is an apocalyptic number.

528738530 is a deficient number, since it is larger than the sum of its proper divisors (439122910).

528738530 is a wasteful number, since it uses less digits than its factorization.

528738530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896233.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 528738530 is about 22994.3151670147. The cubic root of 528738530 is about 808.6246690907.

The spelling of 528738530 in words is "five hundred twenty-eight million, seven hundred thirty-eight thousand, five hundred thirty".