6530761 has 4 divisors (see below), whose sum is σ = 6595524. Its totient is φ = 6466000.

The previous prime is 6530753. The next prime is 6530773. The reversal of 6530761 is 1670356.

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 2996361 + 3534400 = 1731^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530761 - 2³ = 6530753 is a prime.

It is a Duffinian number.

6530761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6530561) 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, 32230 + ... + 32431.

It is an arithmetic number, because the mean of its divisors is an integer number (1648881).

Almost surely, 2^6530761 is an apocalyptic number.

It is an amenable number.

6530761 is a deficient number, since it is larger than the sum of its proper divisors (64763).

6530761 is a wasteful number, since it uses less digits than its factorization.

6530761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64762.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 6530761 is about 2555.5353646545. The cubic root of 6530761 is about 186.9194940716.

The spelling of 6530761 in words is "six million, five hundred thirty thousand, seven hundred sixty-one".