32528650 has 144 divisors (see below), whose sum is σ = 82441152. Its totient is φ = 9408000.

The previous prime is 32528623. The next prime is 32528651. The reversal of 32528650 is 5682523.

It is a happy number.

It is a super-2 number, since 2×32528650² = 2116226141645000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32528651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 458115 + ... + 458185.

It is an arithmetic number, because the mean of its divisors is an integer number (572508).

Almost surely, 2^32528650 is an apocalyptic number.

32528650 is an abundant number, since it is smaller than the sum of its proper divisors (49912502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32528650 is a wasteful number, since it uses less digits than its factorization.

32528650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 32528650 is about 5703.3893431888. The cubic root of 32528650 is about 319.2189611184.

The spelling of 32528650 in words is "thirty-two million, five hundred twenty-eight thousand, six hundred fifty".