2125298065 has 32 divisors (see below), whose sum is σ = 2810142720. Its totient is φ = 1530244800.

The previous prime is 2125298057. The next prime is 2125298159. The reversal of 2125298065 is 5608925212.

It is not a de Polignac number, because 2125298065 - 2³ = 2125298057 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 3224706 + ... + 3225364.

It is an arithmetic number, because the mean of its divisors is an integer number (87816960).

Almost surely, 2^2125298065 is an apocalyptic number.

It is an amenable number.

2125298065 is a deficient number, since it is larger than the sum of its proper divisors (684844655).

2125298065 is a wasteful number, since it uses less digits than its factorization.

2125298065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 2125298065 is about 46100.9551419491. The cubic root of 2125298065 is about 1285.7009030324.

The spelling of 2125298065 in words is "two billion, one hundred twenty-five million, two hundred ninety-eight thousand, sixty-five".