444142253 has 2 divisors, whose sum is σ = 444142254. Its totient is φ = 444142252.

The previous prime is 444142249. The next prime is 444142297. The reversal of 444142253 is 352241444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359557444 + 84584809 = 18962^2 + 9197^2 .

It is a cyclic number.

It is not a de Polignac number, because 444142253 - 2² = 444142249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444042253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222071126 + 222071127.

It is an arithmetic number, because the mean of its divisors is an integer number (222071127).

Almost surely, 2^444142253 is an apocalyptic number.

It is an amenable number.

444142253 is a deficient number, since it is larger than the sum of its proper divisors (1).

444142253 is an equidigital number, since it uses as much as digits as its factorization.

444142253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 29.

The square root of 444142253 is about 21074.6827496881. The cubic root of 444142253 is about 762.9698277283.

Adding to 444142253 its reverse (352241444), we get a palindrome (796383697).

The spelling of 444142253 in words is "four hundred forty-four million, one hundred forty-two thousand, two hundred fifty-three".