2275520561 has 2 divisors, whose sum is σ = 2275520562. Its totient is φ = 2275520560.

The previous prime is 2275520551. The next prime is 2275520591. The reversal of 2275520561 is 1650255722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2186123536 + 89397025 = 46756^2 + 9455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275520561 - 2¹⁴ = 2275504177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2275520501) 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, 1137760280 + 1137760281.

It is an arithmetic number, because the mean of its divisors is an integer number (1137760281).

Almost surely, 2^2275520561 is an apocalyptic number.

It is an amenable number.

2275520561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275520561 is an equidigital number, since it uses as much as digits as its factorization.

2275520561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2275520561 is about 47702.4167207491. The cubic root of 2275520561 is about 1315.3063637754.

The spelling of 2275520561 in words is "two billion, two hundred seventy-five million, five hundred twenty thousand, five hundred sixty-one".