2753221 has 2 divisors, whose sum is σ = 2753222. Its totient is φ = 2753220.

The previous prime is 2753197. The next prime is 2753237. The reversal of 2753221 is 1223572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 148225 = 1614^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2753221 - 2⁵ = 2753189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2753192 and 2753201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2753291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376610 + 1376611.

It is an arithmetic number, because the mean of its divisors is an integer number (1376611).

2^2753221 is an apocalyptic number.

It is an amenable number.

2753221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2753221 is an equidigital number, since it uses as much as digits as its factorization.

2753221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 22.

The square root of 2753221 is about 1659.2832790093. The cubic root of 2753221 is about 140.1566443949.

Adding to 2753221 its reverse (1223572), we get a palindrome (3976793).

The spelling of 2753221 in words is "two million, seven hundred fifty-three thousand, two hundred twenty-one".