2203113257 has 2 divisors, whose sum is σ = 2203113258. Its totient is φ = 2203113256.

The previous prime is 2203113223. The next prime is 2203113343. The reversal of 2203113257 is 7523113022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1832781721 + 370331536 = 42811^2 + 19244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203113257 - 2⁶ = 2203113193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203112257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101556628 + 1101556629.

It is an arithmetic number, because the mean of its divisors is an integer number (1101556629).

Almost surely, 2^2203113257 is an apocalyptic number.

It is an amenable number.

2203113257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203113257 is an equidigital number, since it uses as much as digits as its factorization.

2203113257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2203113257 is about 46937.3332966414. Note that the first 3 decimals coincide. The cubic root of 2203113257 is about 1301.2046539657.

Adding to 2203113257 its reverse (7523113022), we get a palindrome (9726226279).

The spelling of 2203113257 in words is "two billion, two hundred three million, one hundred thirteen thousand, two hundred fifty-seven".