4125549 has 8 divisors (see below), whose sum is σ = 5628832. Its totient is φ = 2686320.

The previous prime is 4125521. The next prime is 4125551. The reversal of 4125549 is 9455214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4125549 - 2⁷ = 4125421 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 (4125559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15862 + ... + 16119.

It is an arithmetic number, because the mean of its divisors is an integer number (703604).

Almost surely, 2^4125549 is an apocalyptic number.

It is an amenable number.

4125549 is a deficient number, since it is larger than the sum of its proper divisors (1503283).

4125549 is a wasteful number, since it uses less digits than its factorization.

4125549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32027.

The product of its digits is 7200, while the sum is 30.

The square root of 4125549 is about 2031.1447511194. The cubic root of 4125549 is about 160.3838310785.

The spelling of 4125549 in words is "four million, one hundred twenty-five thousand, five hundred forty-nine".