6651232 has 48 divisors (see below), whose sum is σ = 15628032. Its totient is φ = 2724480.

The previous prime is 6651223. The next prime is 6651251. The reversal of 6651232 is 2321566.

6651232 is digitally balanced in base 5 and base 8, because in such bases it contains all the possibile digits an equal number of times.

6651232 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 6651197 and 6651206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (325584).

Almost surely, 2^6651232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6651232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7814016).

6651232 is an abundant number, since it is smaller than the sum of its proper divisors (8976800).

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

6651232 is a wasteful number, since it uses less digits than its factorization.

6651232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1323 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 6651232 is about 2578.9982551371. The cubic root of 6651232 is about 188.0618477665.

Adding to 6651232 its reverse (2321566), we get a palindrome (8972798).

The spelling of 6651232 in words is "six million, six hundred fifty-one thousand, two hundred thirty-two".