6532749 has 6 divisors (see below), whose sum is σ = 9436206. Its totient is φ = 4355160.

The previous prime is 6532739. The next prime is 6532763. The reversal of 6532749 is 9472356.

It can be written as a sum of positive squares in only one way, i.e., 5616900 + 915849 = 2370^2 + 957^2 .

It is not a de Polignac number, because 6532749 - 2⁴ = 6532733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6532739) 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 5 ways as a sum of consecutive naturals, for example, 362922 + ... + 362939.

It is an arithmetic number, because the mean of its divisors is an integer number (1572701).

Almost surely, 2^6532749 is an apocalyptic number.

It is an amenable number.

6532749 is a deficient number, since it is larger than the sum of its proper divisors (2903457).

6532749 is a wasteful number, since it uses less digits than its factorization.

6532749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725867 (or 725864 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 6532749 is about 2555.9242946535. The cubic root of 6532749 is about 186.9384585922.

It can be divided in two parts, 65327 and 49, that multiplied together give a palindrome (3201023).

The spelling of 6532749 in words is "six million, five hundred thirty-two thousand, seven hundred forty-nine".