4440253 has 2 divisors, whose sum is σ = 4440254. Its totient is φ = 4440252.

The previous prime is 4440239. The next prime is 4440257. The reversal of 4440253 is 3520444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 822649 = 1902^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440253 - 2⁵ = 4440221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220126 + 2220127.

It is an arithmetic number, because the mean of its divisors is an integer number (2220127).

Almost surely, 2^4440253 is an apocalyptic number.

It is an amenable number.

4440253 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440253 is an equidigital number, since it uses as much as digits as its factorization.

4440253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4440253 is about 2107.1907839586. The cubic root of 4440253 is about 164.3624370781.

Adding to 4440253 its reverse (3520444), we get a palindrome (7960697).

The spelling of 4440253 in words is "four million, four hundred forty thousand, two hundred fifty-three".