2528275961 has 2 divisors, whose sum is σ = 2528275962. Its totient is φ = 2528275960.

The previous prime is 2528275931. The next prime is 2528275963. The reversal of 2528275961 is 1695728252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2519538025 + 8737936 = 50195^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2528275961 - 2¹⁴ = 2528259577 is a prime.

Together with 2528275963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2528275963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264137980 + 1264137981.

It is an arithmetic number, because the mean of its divisors is an integer number (1264137981).

Almost surely, 2^2528275961 is an apocalyptic number.

It is an amenable number.

2528275961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528275961 is an equidigital number, since it uses as much as digits as its factorization.

2528275961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 2528275961 is about 50281.9645698137. The cubic root of 2528275961 is about 1362.3064885347.

The spelling of 2528275961 in words is "two billion, five hundred twenty-eight million, two hundred seventy-five thousand, nine hundred sixty-one".