528989375 has 10 divisors (see below), whose sum is σ = 661025904. Its totient is φ = 423191000.

The previous prime is 528989359. The next prime is 528989411. The reversal of 528989375 is 573989825.

It is not a de Polignac number, because 528989375 - 2⁴ = 528989359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 528989375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 422567 + ... + 423816.

Almost surely, 2^528989375 is an apocalyptic number.

528989375 is a deficient number, since it is larger than the sum of its proper divisors (132036529).

528989375 is an frugal number, since it uses more digits than its factorization.

528989375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846403 (or 846388 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 56.

The square root of 528989375 is about 22999.7690205793. The cubic root of 528989375 is about 808.7525252205.

The spelling of 528989375 in words is "five hundred twenty-eight million, nine hundred eighty-nine thousand, three hundred seventy-five".