3943125 has 30 divisors (see below), whose sum is σ = 7127406. Its totient is φ = 2100000.

The previous prime is 3943123. The next prime is 3943129. The reversal of 3943125 is 5213493.

It can be written as a sum of positive squares in 5 ways, for example, as 820836 + 3122289 = 906^2 + 1767^2 .

It is not a de Polignac number, because 3943125 - 2¹ = 3943123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943123) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5275 + ... + 5975.

Almost surely, 2^3943125 is an apocalyptic number.

It is an amenable number.

3943125 is a deficient number, since it is larger than the sum of its proper divisors (3184281).

3943125 is an equidigital number, since it uses as much as digits as its factorization.

3943125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 709 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3943125 is about 1985.7303442311. The cubic root of 3943125 is about 157.9841489199.

The spelling of 3943125 in words is "three million, nine hundred forty-three thousand, one hundred twenty-five".