2721252 has 24 divisors (see below), whose sum is σ = 6505632. Its totient is φ = 884800.

The previous prime is 2721247. The next prime is 2721259. The reversal of 2721252 is 2521272.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2721259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (271068).

2^2721252 is an apocalyptic number.

It is an amenable number.

2721252 is an abundant number, since it is smaller than the sum of its proper divisors (3784380).

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

2721252 is a wasteful number, since it uses less digits than its factorization.

2721252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579 (or 5577 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 2721252 is about 1649.6217748320. The cubic root of 2721252 is about 139.6120552365.

The spelling of 2721252 in words is "two million, seven hundred twenty-one thousand, two hundred fifty-two".