6513725042 has 8 divisors (see below), whose sum is σ = 10658822832. Its totient is φ = 2960784100.

The previous prime is 6513725041. The next prime is 6513725107. The reversal of 6513725042 is 2405273156.

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

It is a super-2 number, since 2×6513725042² = 84857227845555803528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6513724993 and 6513725011.

It is not an unprimeable number, because it can be changed into a prime (6513725041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148039184 + ... + 148039227.

It is an arithmetic number, because the mean of its divisors is an integer number (1332352854).

Almost surely, 2^6513725042 is an apocalyptic number.

6513725042 is a deficient number, since it is larger than the sum of its proper divisors (4145097790).

6513725042 is a wasteful number, since it uses less digits than its factorization.

6513725042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296078424.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 6513725042 is about 80707.6516942477. The cubic root of 6513725042 is about 1867.5682157747.

Adding to 6513725042 its reverse (2405273156), we get a palindrome (8918998198).

The spelling of 6513725042 in words is "six billion, five hundred thirteen million, seven hundred twenty-five thousand, forty-two".