4378125 has 24 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 2330000.

The previous prime is 4378123. The next prime is 4378133. The reversal of 4378125 is 5218734.

It is not a de Polignac number, because 4378125 - 2¹ = 4378123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4378092 and 4378101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9142 + ... + 9608.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

Almost surely, 2^4378125 is an apocalyptic number.

It is an amenable number.

4378125 is a deficient number, since it is larger than the sum of its proper divisors (2933907).

4378125 is an frugal number, since it uses more digits than its factorization.

4378125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 475 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 4378125 is about 2092.3969508676. The cubic root of 4378125 is about 163.5922475070.

The spelling of 4378125 in words is "four million, three hundred seventy-eight thousand, one hundred twenty-five".