6541725 has 12 divisors (see below), whose sum is σ = 10815776. Its totient is φ = 3488880.

The previous prime is 6541723. The next prime is 6541739. The reversal of 6541725 is 5271456.

It is not a de Polignac number, because 6541725 - 2¹ = 6541723 is a prime.

It is a hoax number, since the sum of its digits (30) 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 = 6541692 and 6541701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43537 + ... + 43686.

Almost surely, 2^6541725 is an apocalyptic number.

It is an amenable number.

6541725 is a deficient number, since it is larger than the sum of its proper divisors (4274051).

6541725 is a wasteful number, since it uses less digits than its factorization.

6541725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87236 (or 87231 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 6541725 is about 2557.6796124613. The cubic root of 6541725 is about 187.0240372506.

The spelling of 6541725 in words is "six million, five hundred forty-one thousand, seven hundred twenty-five".