528893121 has 8 divisors (see below), whose sum is σ = 705454144. Its totient is φ = 352463760.

The previous prime is 528893117. The next prime is 528893143. The reversal of 528893121 is 121398825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 528893121 - 2² = 528893117 is a prime.

It is a super-2 number, since 2×528893121² = 559455866882241282, which contains 22 as substring.

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 528893121.

It is not an unprimeable number, because it can be changed into a prime (528893111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23125 + ... + 39906.

It is an arithmetic number, because the mean of its divisors is an integer number (88181768).

Almost surely, 2^528893121 is an apocalyptic number.

It is an amenable number.

528893121 is a deficient number, since it is larger than the sum of its proper divisors (176561023).

528893121 is a wasteful number, since it uses less digits than its factorization.

528893121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65831.

The product of its digits is 34560, while the sum is 39.

The square root of 528893121 is about 22997.6764261088. The cubic root of 528893121 is about 808.7034691706.

The spelling of 528893121 in words is "five hundred twenty-eight million, eight hundred ninety-three thousand, one hundred twenty-one".