2203013261 has 2 divisors, whose sum is σ = 2203013262. Its totient is φ = 2203013260.

The previous prime is 2203013257. The next prime is 2203013321. The reversal of 2203013261 is 1623103022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2186965225 + 16048036 = 46765^2 + 4006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203013261 - 2² = 2203013257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203013201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101506630 + 1101506631.

It is an arithmetic number, because the mean of its divisors is an integer number (1101506631).

Almost surely, 2^2203013261 is an apocalyptic number.

It is an amenable number.

2203013261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203013261 is an equidigital number, since it uses as much as digits as its factorization.

2203013261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2203013261 is about 46936.2680770425. The cubic root of 2203013261 is about 1301.1849670933.

Adding to 2203013261 its reverse (1623103022), we get a palindrome (3826116283).

The spelling of 2203013261 in words is "two billion, two hundred three million, thirteen thousand, two hundred sixty-one".