4135625 has 20 divisors (see below), whose sum is σ = 5576340. Its totient is φ = 3048000.

The previous prime is 4135613. The next prime is 4135627. The reversal of 4135625 is 5265314.

It can be written as a sum of positive squares in 10 ways, for example, as 3268864 + 866761 = 1808^2 + 931^2 .

It is not a de Polignac number, because 4135625 - 2⁴ = 4135609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4135594 and 4135603.

It is not an unprimeable number, because it can be changed into a prime (4135627) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 7871 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (278817).

Almost surely, 2^4135625 is an apocalyptic number.

It is an amenable number.

4135625 is a deficient number, since it is larger than the sum of its proper divisors (1440715).

4135625 is an equidigital number, since it uses as much as digits as its factorization.

4135625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 527 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 4135625 is about 2033.6236131595. The cubic root of 4135625 is about 160.5142956247.

The spelling of 4135625 in words is "four million, one hundred thirty-five thousand, six hundred twenty-five".