2243203253 has 2 divisors, whose sum is σ = 2243203254. Its totient is φ = 2243203252.

The previous prime is 2243203241. The next prime is 2243203297. The reversal of 2243203253 is 3523023422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2079542404 + 163660849 = 45602^2 + 12793^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243203253 - 2²² = 2239008949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243203153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121601626 + 1121601627.

It is an arithmetic number, because the mean of its divisors is an integer number (1121601627).

Almost surely, 2^2243203253 is an apocalyptic number.

It is an amenable number.

2243203253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243203253 is an equidigital number, since it uses as much as digits as its factorization.

2243203253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 2243203253 is about 47362.4667115217. The cubic root of 2243203253 is about 1309.0499206418.

Adding to 2243203253 its reverse (3523023422), we get a palindrome (5766226675).

The spelling of 2243203253 in words is "two billion, two hundred forty-three million, two hundred three thousand, two hundred fifty-three".