2263604261 has 2 divisors, whose sum is σ = 2263604262. Its totient is φ = 2263604260.

The previous prime is 2263604249. The next prime is 2263604263. The reversal of 2263604261 is 1624063622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2255680036 + 7924225 = 47494^2 + 2815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2263604261 is a prime.

It is a super-2 number, since 2×2263604261² = 10247808500834712242, which contains 22 as substring.

Together with 2263604263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2263604263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131802130 + 1131802131.

It is an arithmetic number, because the mean of its divisors is an integer number (1131802131).

Almost surely, 2^2263604261 is an apocalyptic number.

It is an amenable number.

2263604261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263604261 is an equidigital number, since it uses as much as digits as its factorization.

2263604261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2263604261 is about 47577.3502940212. The cubic root of 2263604261 is about 1313.0063736336.

Adding to 2263604261 its reverse (1624063622), we get a palindrome (3887667883).

The spelling of 2263604261 in words is "two billion, two hundred sixty-three million, six hundred four thousand, two hundred sixty-one".