8105651325 has 18 divisors (see below), whose sum is σ = 14518122554. Its totient is φ = 4323013920.

The previous prime is 8105651263. The next prime is 8105651363. The reversal of 8105651325 is 5231565018.

It is a happy number.

8105651325 is a `hidden beast` number, since 81 + 0 + 565 + 13 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2256155001 + 5849496324 = 47499^2 + 76482^2 .

It is not a de Polignac number, because 8105651325 - 2⁶ = 8105651261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8105651325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18012334 + ... + 18012783.

Almost surely, 2^8105651325 is an apocalyptic number.

It is an amenable number.

8105651325 is a deficient number, since it is larger than the sum of its proper divisors (6412471229).

8105651325 is a wasteful number, since it uses less digits than its factorization.

8105651325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36025133 (or 36025125 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 8105651325 is about 90031.3907756622. The cubic root of 8105651325 is about 2008.7658013172.

The spelling of 8105651325 in words is "eight billion, one hundred five million, six hundred fifty-one thousand, three hundred twenty-five".