6512604025 has 12 divisors (see below), whose sum is σ = 8293890412. Its totient is φ = 5069269440.

The previous prime is 6512604023. The next prime is 6512604029. The reversal of 6512604025 is 5204062156.

It can be written as a sum of positive squares in 6 ways, for example, as 8020224 + 6504583801 = 2832^2 + 80651^2 .

It is not a de Polignac number, because 6512604025 - 2¹ = 6512604023 is a prime.

It is a super-2 number, since 2×6512604025² = 84828022372892401250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6512604023) 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 11 ways as a sum of consecutive naturals, for example, 3519402 + ... + 3521251.

Almost surely, 2^6512604025 is an apocalyptic number.

It is an amenable number.

6512604025 is a deficient number, since it is larger than the sum of its proper divisors (1781286387).

6512604025 is a wasteful number, since it uses less digits than its factorization.

6512604025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040700 (or 7040695 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6512604025 is about 80700.7064715049. The cubic root of 6512604025 is about 1867.4610729945.

The spelling of 6512604025 in words is "six billion, five hundred twelve million, six hundred four thousand, twenty-five".