3125051725 has 12 divisors (see below), whose sum is σ = 3909360276. Its totient is φ = 2477914880.

The previous prime is 3125051717. The next prime is 3125051731. The reversal of 3125051725 is 5271505213.

It can be written as a sum of positive squares in 6 ways, for example, as 137992009 + 2987059716 = 11747^2 + 54654^2 .

It is not a de Polignac number, because 3125051725 - 2³ = 3125051717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 550282 + ... + 555931.

It is an arithmetic number, because the mean of its divisors is an integer number (325780023).

Almost surely, 2^3125051725 is an apocalyptic number.

It is an amenable number.

3125051725 is a deficient number, since it is larger than the sum of its proper divisors (784308551).

3125051725 is a wasteful number, since it uses less digits than its factorization.

3125051725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106336 (or 1106331 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 3125051725 is about 55902.1620780449. The cubic root of 3125051725 is about 1462.0169354522.

Adding to 3125051725 its reverse (5271505213), we get a palindrome (8396556938).

The spelling of 3125051725 in words is "three billion, one hundred twenty-five million, fifty-one thousand, seven hundred twenty-five".