6530356 has 36 divisors (see below), whose sum is σ = 13484128. Its totient is φ = 2710224.

The previous prime is 6530351. The next prime is 6530387.

6530356 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530351) 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 11 ways as a sum of consecutive naturals, for example, 97435 + ... + 97501.

Almost surely, 2^6530356 is an apocalyptic number.

It is an amenable number.

6530356 is an abundant number, since it is smaller than the sum of its proper divisors (6953772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6530356 is a wasteful number, since it uses less digits than its factorization.

6530356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 6530356 is about 2555.4561236695. The cubic root of 6530356 is about 186.9156301033.

Subtracting from 6530356 its product of nonzero digits (8100), we obtain a palindrome (6522256).

It can be divided in two parts, 6530 and 356, that added together give a palindrome (6886).

The spelling of 6530356 in words is "six million, five hundred thirty thousand, three hundred fifty-six".