6530477 has 4 divisors (see below), whose sum is σ = 6637596. Its totient is φ = 6423360.

The previous prime is 6530473. The next prime is 6530483. The reversal of 6530477 is 7740356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1485961 + 5044516 = 1219^2 + 2246^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530477 - 2² = 6530473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530473) 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, 53468 + ... + 53589.

It is an arithmetic number, because the mean of its divisors is an integer number (1659399).

Almost surely, 2^6530477 is an apocalyptic number.

It is an amenable number.

6530477 is a deficient number, since it is larger than the sum of its proper divisors (107119).

6530477 is a wasteful number, since it uses less digits than its factorization.

6530477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107118.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 6530477 is about 2555.4797983940. The cubic root of 6530477 is about 186.9167845402.

It can be divided in two parts, 6530 and 477, that added together give a palindrome (7007).

The spelling of 6530477 in words is "six million, five hundred thirty thousand, four hundred seventy-seven".