2721507252 has 24 divisors (see below), whose sum is σ = 6426694176. Its totient is φ = 896239008.

The previous prime is 2721507247. The next prime is 2721507263. The reversal of 2721507252 is 2527051272.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1365223 + ... + 1367214.

It is an arithmetic number, because the mean of its divisors is an integer number (267778924).

Almost surely, 2^2721507252 is an apocalyptic number.

It is an amenable number.

2721507252 is an abundant number, since it is smaller than the sum of its proper divisors (3705186924).

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

2721507252 is a wasteful number, since it uses less digits than its factorization.

2721507252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732527 (or 2732525 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 2721507252 is about 52168.0673592572. The cubic root of 2721507252 is about 1396.1642027905.

The spelling of 2721507252 in words is "two billion, seven hundred twenty-one million, five hundred seven thousand, two hundred fifty-two".