6620532 has 24 divisors (see below), whose sum is σ = 15624000. Its totient is φ = 2181696.

The previous prime is 6620519. The next prime is 6620587. The reversal of 6620532 is 2350266.

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, 2032 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (651000).

Almost surely, 2^6620532 is an apocalyptic number.

It is an amenable number.

6620532 is an abundant number, since it is smaller than the sum of its proper divisors (9003468).

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

6620532 is a wasteful number, since it uses less digits than its factorization.

6620532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295 (or 6293 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 6620532 is about 2573.0394478126. The cubic root of 6620532 is about 187.7720566190.

Adding to 6620532 its reverse (2350266), we get a palindrome (8970798).

The spelling of 6620532 in words is "six million, six hundred twenty thousand, five hundred thirty-two".