6529649 has 16 divisors (see below), whose sum is σ = 8120448. Its totient is φ = 5121792.

The previous prime is 6529613. The next prime is 6529651. The reversal of 6529649 is 9469256.

It is a cyclic number.

It is not a de Polignac number, because 6529649 - 2¹² = 6525553 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6529349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3662 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (507528).

Almost surely, 2^6529649 is an apocalyptic number.

It is an amenable number.

6529649 is a deficient number, since it is larger than the sum of its proper divisors (1590799).

6529649 is a wasteful number, since it uses less digits than its factorization.

6529649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its digits is 116640, while the sum is 41.

The square root of 6529649 is about 2555.3177884561. The cubic root of 6529649 is about 186.9088844721.

It can be divided in two parts, 652 and 9649, that added together give a palindrome (10301).

The spelling of 6529649 in words is "six million, five hundred twenty-nine thousand, six hundred forty-nine".