6529725 has 18 divisors (see below), whose sum is σ = 11695866. Its totient is φ = 3482400.

The previous prime is 6529709. The next prime is 6529763. The reversal of 6529725 is 5279256.

It can be written as a sum of positive squares in 3 ways, for example, as 1954404 + 4575321 = 1398^2 + 2139^2 .

It is not a de Polignac number, because 6529725 - 2⁴ = 6529709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6529725.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 14286 + ... + 14735.

Almost surely, 2^6529725 is an apocalyptic number.

It is an amenable number.

6529725 is a deficient number, since it is larger than the sum of its proper divisors (5166141).

6529725 is a wasteful number, since it uses less digits than its factorization.

6529725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29037 (or 29029 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 6529725 is about 2555.3326593616. The cubic root of 6529725 is about 186.9096096269.

The spelling of 6529725 in words is "six million, five hundred twenty-nine thousand, seven hundred twenty-five".