6530042 has 4 divisors (see below), whose sum is σ = 9795066. Its totient is φ = 3265020.

The previous prime is 6530011. The next prime is 6530047. The reversal of 6530042 is 2400356.

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

It can be written as a sum of positive squares in only one way, i.e., 6446521 + 83521 = 2539^2 + 289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6529996 and 6530023.

It is not an unprimeable number, because it can be changed into a prime (6530047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632509 + ... + 1632512.

Almost surely, 2^6530042 is an apocalyptic number.

6530042 is a deficient number, since it is larger than the sum of its proper divisors (3265024).

6530042 is a wasteful number, since it uses less digits than its factorization.

6530042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265023.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 6530042 is about 2555.3946857580. The cubic root of 6530042 is about 186.9126342253.

Adding to 6530042 its reverse (2400356), we get a palindrome (8930398).

The spelling of 6530042 in words is "six million, five hundred thirty thousand, forty-two".