3125750689 has 2 divisors, whose sum is σ = 3125750690. Its totient is φ = 3125750688.

The previous prime is 3125750671. The next prime is 3125750699. The reversal of 3125750689 is 9860575213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3125704464 + 46225 = 55908^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125750689 - 2⁷ = 3125750561 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125750659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562875344 + 1562875345.

It is an arithmetic number, because the mean of its divisors is an integer number (1562875345).

Almost surely, 2^3125750689 is an apocalyptic number.

It is an amenable number.

3125750689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125750689 is an equidigital number, since it uses as much as digits as its factorization.

3125750689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 3125750689 is about 55908.4134008469. The cubic root of 3125750689 is about 1462.1259278911.

The spelling of 3125750689 in words is "three billion, one hundred twenty-five million, seven hundred fifty thousand, six hundred eighty-nine".