6530523 has 8 divisors (see below), whose sum is σ = 8812608. Its totient is φ = 4301064.

The previous prime is 6530519. The next prime is 6530561. The reversal of 6530523 is 3250356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6530523 - 2² = 6530519 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6530493 and 6530502.

It is not an unprimeable number, because it can be changed into a prime (6530323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12865 + ... + 13362.

It is an arithmetic number, because the mean of its divisors is an integer number (1101576).

Almost surely, 2^6530523 is an apocalyptic number.

6530523 is a deficient number, since it is larger than the sum of its proper divisors (2282085).

6530523 is a wasteful number, since it uses less digits than its factorization.

6530523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26313.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 6530523 is about 2555.4887986450. The cubic root of 6530523 is about 186.9172234133.

Adding to 6530523 its reverse (3250356), we get a palindrome (9780879).

The spelling of 6530523 in words is "six million, five hundred thirty thousand, five hundred twenty-three".