10528021 has 8 divisors (see below), whose sum is σ = 12325824. Its totient is φ = 8803680.

The previous prime is 10527989. The next prime is 10528031. The reversal of 10528021 is 12082501.

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

It is a cyclic number.

It is not a de Polignac number, because 10528021 - 2⁵ = 10527989 is a prime.

It is a super-2 number, since 2×10528021² = 221678452352882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10528021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10528031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18055 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (1540728).

Almost surely, 2^10528021 is an apocalyptic number.

It is an amenable number.

10528021 is a deficient number, since it is larger than the sum of its proper divisors (1797803).

10528021 is an equidigital number, since it uses as much as digits as its factorization.

10528021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36731.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10528021 is about 3244.6912025646. The cubic root of 10528021 is about 219.1705752523.

The spelling of 10528021 in words is "ten million, five hundred twenty-eight thousand, twenty-one".