4125389 has 4 divisors (see below), whose sum is σ = 4236924. Its totient is φ = 4013856.

The previous prime is 4125383. The next prime is 4125403. The reversal of 4125389 is 9835214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3771364 + 354025 = 1942^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4125389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55712 + ... + 55785.

It is an arithmetic number, because the mean of its divisors is an integer number (1059231).

Almost surely, 2^4125389 is an apocalyptic number.

It is an amenable number.

4125389 is a deficient number, since it is larger than the sum of its proper divisors (111535).

4125389 is a wasteful number, since it uses less digits than its factorization.

4125389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111534.

The product of its digits is 8640, while the sum is 32.

The square root of 4125389 is about 2031.1053640813. The cubic root of 4125389 is about 160.3817576781.

The spelling of 4125389 in words is "four million, one hundred twenty-five thousand, three hundred eighty-nine".