6471725 has 12 divisors (see below), whose sum is σ = 8642676. Its totient is φ = 4778880.

The previous prime is 6471691. The next prime is 6471733. The reversal of 6471725 is 5271746.

It can be written as a sum of positive squares in 6 ways, for example, as 2399401 + 4072324 = 1549^2 + 2018^2 .

It is not a de Polignac number, because 6471725 - 2¹⁰ = 6470701 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6471691 and 6471700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9632 + ... + 10281.

It is an arithmetic number, because the mean of its divisors is an integer number (720223).

Almost surely, 2^6471725 is an apocalyptic number.

6471725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6471725 is a deficient number, since it is larger than the sum of its proper divisors (2170951).

6471725 is a wasteful number, since it uses less digits than its factorization.

6471725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19936 (or 19931 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 6471725 is about 2543.9585295362. The cubic root of 6471725 is about 186.3545574507.

The spelling of 6471725 in words is "six million, four hundred seventy-one thousand, seven hundred twenty-five".