6520052012 has 6 divisors (see below), whose sum is σ = 11410091028. Its totient is φ = 3260026004.

The previous prime is 6520052009. The next prime is 6520052023. The reversal of 6520052012 is 2102500256.

It is a super-2 number, since 2×6520052012² = 85022156478370496288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815006498 + ... + 815006505.

It is an arithmetic number, because the mean of its divisors is an integer number (1901681838).

Almost surely, 2^6520052012 is an apocalyptic number.

It is an amenable number.

6520052012 is a deficient number, since it is larger than the sum of its proper divisors (4890039016).

6520052012 is a wasteful number, since it uses less digits than its factorization.

6520052012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630013007 (or 1630013005 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 6520052012 is about 80746.8390217227. The cubic root of 6520052012 is about 1868.1726944872.

Adding to 6520052012 its reverse (2102500256), we get a palindrome (8622552268).

The spelling of 6520052012 in words is "six billion, five hundred twenty million, fifty-two thousand, twelve".