6380725 has 24 divisors (see below), whose sum is σ = 8827560. Its totient is φ = 4542720.

The previous prime is 6380681. The next prime is 6380741. The reversal of 6380725 is 5270836.

It can be written as a sum of positive squares in 12 ways, for example, as 806404 + 5574321 = 898^2 + 2361^2 .

It is not a de Polignac number, because 6380725 - 2⁷ = 6380597 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9087 + ... + 9763.

It is an arithmetic number, because the mean of its divisors is an integer number (367815).

Almost surely, 2^6380725 is an apocalyptic number.

6380725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6380725 is a deficient number, since it is larger than the sum of its proper divisors (2446835).

6380725 is a wasteful number, since it uses less digits than its factorization.

6380725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

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

The square root of 6380725 is about 2526.0096991104. The cubic root of 6380725 is about 185.4769771123.

The spelling of 6380725 in words is "six million, three hundred eighty thousand, seven hundred twenty-five".