4125725 has 12 divisors (see below), whose sum is σ = 5145504. Its totient is φ = 3281520.

The previous prime is 4125703. The next prime is 4125727. The reversal of 4125725 is 5275214.

It is not a de Polignac number, because 4125725 - 2¹² = 4121629 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4125694 and 4125703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5312 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (428792).

Almost surely, 2^4125725 is an apocalyptic number.

It is an amenable number.

4125725 is a deficient number, since it is larger than the sum of its proper divisors (1019779).

4125725 is a wasteful number, since it uses less digits than its factorization.

4125725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 959 counting only the distinct ones).

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

The square root of 4125725 is about 2031.1880759792. The cubic root of 4125725 is about 160.3861117570.

The spelling of 4125725 in words is "four million, one hundred twenty-five thousand, seven hundred twenty-five".