4257125 has 8 divisors (see below), whose sum is σ = 5313048. Its totient is φ = 3405600.

The previous prime is 4257101. The next prime is 4257131. The reversal of 4257125 is 5217524.

It can be written as a sum of positive squares in 4 ways, for example, as 1156 + 4255969 = 34^2 + 2063^2 .

It is not a de Polignac number, because 4257125 - 2⁶ = 4257061 is a prime.

It is a super-2 number, since 2×4257125² = 36246226531250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4257094 and 4257103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16904 + ... + 17153.

It is an arithmetic number, because the mean of its divisors is an integer number (664131).

Almost surely, 2^4257125 is an apocalyptic number.

It is an amenable number.

4257125 is a deficient number, since it is larger than the sum of its proper divisors (1055923).

4257125 is an equidigital number, since it uses as much as digits as its factorization.

4257125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34072 (or 34062 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 4257125 is about 2063.2801554806. The cubic root of 4257125 is about 162.0710580921.

The spelling of 4257125 in words is "four million, two hundred fifty-seven thousand, one hundred twenty-five".