2125045553 has 2 divisors, whose sum is σ = 2125045554. Its totient is φ = 2125045552.

The previous prime is 2125045477. The next prime is 2125045583. The reversal of 2125045553 is 3555405212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2031575329 + 93470224 = 45073^2 + 9668^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125045553 - 2⁸ = 2125045297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2125045583) 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, 1062522776 + 1062522777.

It is an arithmetic number, because the mean of its divisors is an integer number (1062522777).

Almost surely, 2^2125045553 is an apocalyptic number.

It is an amenable number.

2125045553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125045553 is an equidigital number, since it uses as much as digits as its factorization.

2125045553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2125045553 is about 46098.2163754738. The cubic root of 2125045553 is about 1285.6499818980.

The spelling of 2125045553 in words is "two billion, one hundred twenty-five million, forty-five thousand, five hundred fifty-three".