4078625 has 16 divisors (see below), whose sum is σ = 5176704. Its totient is φ = 3207600.

The previous prime is 4078619. The next prime is 4078631. The reversal of 4078625 is 5268704.

4078625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4078619) and next prime (4078631).

It is not a de Polignac number, because 4078625 - 2⁴ = 4078609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4078591 and 4078600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8132 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (323544).

Almost surely, 2^4078625 is an apocalyptic number.

It is an amenable number.

4078625 is a deficient number, since it is larger than the sum of its proper divisors (1098079).

4078625 is an equidigital number, since it uses as much as digits as its factorization.

4078625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4078625 is about 2019.5605957732. The cubic root of 4078625 is about 159.7734423700.

The spelling of 4078625 in words is "four million, seventy-eight thousand, six hundred twenty-five".