8461615425 has 24 divisors (see below), whose sum is σ = 13992839520. Its totient is φ = 4511904000.

The previous prime is 8461615417. The next prime is 8461615441. The reversal of 8461615425 is 5245161648.

8461615425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8461615425 - 2³ = 8461615417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475081 + ... + 492569.

It is an arithmetic number, because the mean of its divisors is an integer number (583034980).

Almost surely, 2^8461615425 is an apocalyptic number.

It is an amenable number.

8461615425 is a deficient number, since it is larger than the sum of its proper divisors (5531224095).

8461615425 is a wasteful number, since it uses less digits than its factorization.

8461615425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23953 (or 23948 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 8461615425 is about 91987.0394403472. The cubic root of 8461615425 is about 2037.7509033987.

The spelling of 8461615425 in words is "eight billion, four hundred sixty-one million, six hundred fifteen thousand, four hundred twenty-five".