6527661 has 16 divisors (see below), whose sum is σ = 10013184. Its totient is φ = 3705264.

The previous prime is 6527641. The next prime is 6527663. The reversal of 6527661 is 1667256.

6527661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6527661 - 2⁵ = 6527629 is a prime.

It is a super-2 number, since 2×6527661² = 85220716261842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6527663) 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 15 ways as a sum of consecutive naturals, for example, 2470 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (625824).

Almost surely, 2^6527661 is an apocalyptic number.

It is an amenable number.

6527661 is a deficient number, since it is larger than the sum of its proper divisors (3485523).

6527661 is a wasteful number, since it uses less digits than its factorization.

6527661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080.

The product of its digits is 15120, while the sum is 33.

The square root of 6527661 is about 2554.9287661303. The cubic root of 6527661 is about 186.8899139486.

The spelling of 6527661 in words is "six million, five hundred twenty-seven thousand, six hundred sixty-one".