33528530 has 32 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 11459520.

The previous prime is 33528527. The next prime is 33528613. The reversal of 33528530 is 3582533.

It is a super-2 number, since 2×33528530² = 2248324647921800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33528493 and 33528502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31751 + ... + 32789.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^33528530 is an apocalyptic number.

33528530 is an abundant number, since it is smaller than the sum of its proper divisors (35660590).

33528530 is a wasteful number, since it uses less digits than its factorization.

33528530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 33528530 is about 5790.3825434940. The cubic root of 33528530 is about 322.4567736467.

The spelling of 33528530 in words is "thirty-three million, five hundred twenty-eight thousand, five hundred thirty".