6530977 has 4 divisors (see below), whose sum is σ = 6539440. Its totient is φ = 6522516.

The previous prime is 6530971. The next prime is 6530989. The reversal of 6530977 is 7790356.

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 a de Polignac number, because none of the positive numbers 2^k-6530977 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6530971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2943 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (1634860).

Almost surely, 2^6530977 is an apocalyptic number.

It is an amenable number.

6530977 is a deficient number, since it is larger than the sum of its proper divisors (8463).

6530977 is an equidigital number, since it uses as much as digits as its factorization.

6530977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 6530977 is about 2555.5776255086. The cubic root of 6530977 is about 186.9215547893.

The spelling of 6530977 in words is "six million, five hundred thirty thousand, nine hundred seventy-seven".