6530869 has 4 divisors (see below), whose sum is σ = 6570144. Its totient is φ = 6491596.

The previous prime is 6530861. The next prime is 6530879. The reversal of 6530869 is 9680356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6530869 - 2³ = 6530861 is a prime.

It is a super-2 number, since 2×6530869² = 85304499790322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530861) 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 3 ways as a sum of consecutive naturals, for example, 19387 + ... + 19720.

It is an arithmetic number, because the mean of its divisors is an integer number (1642536).

Almost surely, 2^6530869 is an apocalyptic number.

It is an amenable number.

6530869 is a deficient number, since it is larger than the sum of its proper divisors (39275).

6530869 is a wasteful number, since it uses less digits than its factorization.

6530869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39274.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6530869 is about 2555.5564951689. The cubic root of 6530869 is about 186.9205244361.

The spelling of 6530869 in words is "six million, five hundred thirty thousand, eight hundred sixty-nine".