6501532 has 6 divisors (see below), whose sum is σ = 11377688. Its totient is φ = 3250764.

The previous prime is 6501491. The next prime is 6501533. The reversal of 6501532 is 2351056.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501533) 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 as a sum of consecutive naturals, namely, 812688 + ... + 812695.

Almost surely, 2^6501532 is an apocalyptic number.

It is an amenable number.

6501532 is a deficient number, since it is larger than the sum of its proper divisors (4876156).

6501532 is a wasteful number, since it uses less digits than its factorization.

6501532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625387 (or 1625385 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 6501532 is about 2549.8101890141. The cubic root of 6501532 is about 186.6402187586.

Adding to 6501532 its reverse (2351056), we get a palindrome (8852588).

The spelling of 6501532 in words is "six million, five hundred one thousand, five hundred thirty-two".