2265620653 has 2 divisors, whose sum is σ = 2265620654. Its totient is φ = 2265620652.

The previous prime is 2265620597. The next prime is 2265620671. The reversal of 2265620653 is 3560265622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2034641449 + 230979204 = 45107^2 + 15198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2265620653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265620053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132810326 + 1132810327.

It is an arithmetic number, because the mean of its divisors is an integer number (1132810327).

Almost surely, 2^2265620653 is an apocalyptic number.

It is an amenable number.

2265620653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265620653 is an equidigital number, since it uses as much as digits as its factorization.

2265620653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 2265620653 is about 47598.5362485024. The cubic root of 2265620653 is about 1313.3961281283.

The spelling of 2265620653 in words is "two billion, two hundred sixty-five million, six hundred twenty thousand, six hundred fifty-three".