6278725 has 6 divisors (see below), whose sum is σ = 7785650. Its totient is φ = 5022960.

The previous prime is 6278717. The next prime is 6278749. The reversal of 6278725 is 5278726.

It can be written as a sum of positive squares in 3 ways, for example, as 1252161 + 5026564 = 1119^2 + 2242^2 .

It is not a de Polignac number, because 6278725 - 2³ = 6278717 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 2 + 7⁶ + 8⁴ + 7⁸ + 2⁸ + 5⁸ .

It is a congruent 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, 125550 + ... + 125599.

Almost surely, 2^6278725 is an apocalyptic number.

It is an amenable number.

6278725 is a deficient number, since it is larger than the sum of its proper divisors (1506925).

6278725 is a wasteful number, since it uses less digits than its factorization.

6278725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251159 (or 251154 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 6278725 is about 2505.7384141207. The cubic root of 6278725 is about 184.4833405198.

Subtracting from 6278725 its reverse (5278726), we obtain a palindrome (999999).

It can be divided in two parts, 62 and 78725, that added together give a palindrome (78787).

The spelling of 6278725 in words is "six million, two hundred seventy-eight thousand, seven hundred twenty-five".