2514221 has 2 divisors, whose sum is σ = 2514222. Its totient is φ = 2514220.

The previous prime is 2514217. The next prime is 2514227. The reversal of 2514221 is 1224152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 784996 = 1315^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2514221 - 2² = 2514217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2514221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2514227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257110 + 1257111.

It is an arithmetic number, because the mean of its divisors is an integer number (1257111).

2^2514221 is an apocalyptic number.

It is an amenable number.

2514221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2514221 is an equidigital number, since it uses as much as digits as its factorization.

2514221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160, while the sum is 17.

The square root of 2514221 is about 1585.6295279793. The cubic root of 2514221 is about 135.9777392919.

Adding to 2514221 its reverse (1224152), we get a palindrome (3738373).

The spelling of 2514221 in words is "two million, five hundred fourteen thousand, two hundred twenty-one".