2265521443 has 2 divisors, whose sum is σ = 2265521444. Its totient is φ = 2265521442.

The previous prime is 2265521431. The next prime is 2265521477. The reversal of 2265521443 is 3441255622.

It is an a-pointer prime, because the next prime (2265521477) can be obtained adding 2265521443 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2265521443 - 2²⁵ = 2231967011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2265521399 and 2265521408.

It is not a weakly prime, because it can be changed into another prime (2265521483) 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, 1132760721 + 1132760722.

It is an arithmetic number, because the mean of its divisors is an integer number (1132760722).

Almost surely, 2^2265521443 is an apocalyptic number.

2265521443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265521443 is an equidigital number, since it uses as much as digits as its factorization.

2265521443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

The square root of 2265521443 is about 47597.4940831973. The cubic root of 2265521443 is about 1313.3769569384.

The spelling of 2265521443 in words is "two billion, two hundred sixty-five million, five hundred twenty-one thousand, four hundred forty-three".