6816098525 has 12 divisors (see below), whose sum is σ = 8456215092. Its totient is φ = 5450135040.

The previous prime is 6816098501. The next prime is 6816098537. The reversal of 6816098525 is 5258906186.

6816098525 = 58378² + 58379².

It can be written as a sum of positive squares in 6 ways, for example, as 946546756 + 5869551769 = 30766^2 + 76613^2 .

It is not a de Polignac number, because 6816098525 - 2¹⁰ = 6816097501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 17162 + ... + 118011.

It is an arithmetic number, because the mean of its divisors is an integer number (704684591).

Almost surely, 2^6816098525 is an apocalyptic number.

6816098525 is the 58379-th centered square number.

It is an amenable number.

6816098525 is a deficient number, since it is larger than the sum of its proper divisors (1640116567).

6816098525 is a wasteful number, since it uses less digits than its factorization.

6816098525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137200 (or 137195 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The square root of 6816098525 is about 82559.6664540258. Note that the first 3 decimals coincide. The cubic root of 6816098525 is about 1896.0303570251.

The spelling of 6816098525 in words is "six billion, eight hundred sixteen million, ninety-eight thousand, five hundred twenty-five".