6378025 has 6 divisors (see below), whose sum is σ = 7908782. Its totient is φ = 5102400.

The previous prime is 6378011. The next prime is 6378037. The reversal of 6378025 is 5208736.

It can be written as a sum of positive squares in 3 ways, for example, as 82944 + 6295081 = 288^2 + 2509^2 .

It is not a de Polignac number, because 6378025 - 2⁵ = 6377993 is a prime.

It is a Duffinian number.

6378025 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127536 + ... + 127585.

Almost surely, 2^6378025 is an apocalyptic number.

It is an amenable number.

6378025 is a deficient number, since it is larger than the sum of its proper divisors (1530757).

6378025 is a wasteful number, since it uses less digits than its factorization.

6378025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255131 (or 255126 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 6378025 is about 2525.4752028084. The cubic root of 6378025 is about 185.4508119304.

The spelling of 6378025 in words is "six million, three hundred seventy-eight thousand, twenty-five".