6530032538 has 4 divisors (see below), whose sum is σ = 9795048810. Its totient is φ = 3265016268.

The previous prime is 6530032477. The next prime is 6530032609. The reversal of 6530032538 is 8352300356.

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., 3323868409 + 3206164129 = 57653^2 + 56623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6530032498 and 6530032507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632508133 + ... + 1632508136.

Almost surely, 2^6530032538 is an apocalyptic number.

6530032538 is a deficient number, since it is larger than the sum of its proper divisors (3265016272).

6530032538 is a wasteful number, since it uses less digits than its factorization.

6530032538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265016271.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 6530032538 is about 80808.6167311383. The cubic root of 6530032538 is about 1869.1254394679.

The spelling of 6530032538 in words is "six billion, five hundred thirty million, thirty-two thousand, five hundred thirty-eight".