4257905125 has 8 divisors (see below), whose sum is σ = 5313865752. Its totient is φ = 3406324000.

The previous prime is 4257905123. The next prime is 4257905131. The reversal of 4257905125 is 5215097524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 445336609 + 3812568516 = 21103^2 + 61746^2 .

It is not a de Polignac number, because 4257905125 - 2¹ = 4257905123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257905123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17031496 + ... + 17031745.

It is an arithmetic number, because the mean of its divisors is an integer number (664233219).

Almost surely, 2^4257905125 is an apocalyptic number.

It is an amenable number.

4257905125 is a deficient number, since it is larger than the sum of its proper divisors (1055960627).

4257905125 is an equidigital number, since it uses as much as digits as its factorization.

4257905125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34063256 (or 34063246 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 4257905125 is about 65252.6254261083. The cubic root of 4257905125 is about 1620.8095741471.

The spelling of 4257905125 in words is "four billion, two hundred fifty-seven million, nine hundred five thousand, one hundred twenty-five".