4130725 has 6 divisors (see below), whose sum is σ = 5122130. Its totient is φ = 3304560.

The previous prime is 4130723. The next prime is 4130729. The reversal of 4130725 is 5270314.

It can be written as a sum of positive squares in 3 ways, for example, as 74529 + 4056196 = 273^2 + 2014^2 .

It is not a de Polignac number, because 4130725 - 2¹ = 4130723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4130696 and 4130705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4130723) 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 5 ways as a sum of consecutive naturals, for example, 82590 + ... + 82639.

Almost surely, 2^4130725 is an apocalyptic number.

It is an amenable number.

4130725 is a deficient number, since it is larger than the sum of its proper divisors (991405).

4130725 is a wasteful number, since it uses less digits than its factorization.

4130725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165239 (or 165234 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4130725 is about 2032.4185100515. The cubic root of 4130725 is about 160.4508766829.

The spelling of 4130725 in words is "four million, one hundred thirty thousand, seven hundred twenty-five".