8461857025 has 12 divisors (see below), whose sum is σ = 10509091884. Its totient is φ = 6758912000.

The previous prime is 8461857013. The next prime is 8461857059. The reversal of 8461857025 is 5207581648.

It can be written as a sum of positive squares in 6 ways, for example, as 34433424 + 8427423601 = 5868^2 + 91801^2 .

It is not a de Polignac number, because 8461857025 - 2⁵ = 8461856993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247996 + ... + 280045.

It is an arithmetic number, because the mean of its divisors is an integer number (875757657).

Almost surely, 2^8461857025 is an apocalyptic number.

It is an amenable number.

8461857025 is a deficient number, since it is larger than the sum of its proper divisors (2047234859).

8461857025 is a wasteful number, since it uses less digits than its factorization.

8461857025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528692 (or 528687 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 8461857025 is about 91988.3526594536. The cubic root of 8461857025 is about 2037.7702974863.

The spelling of 8461857025 in words is "eight billion, four hundred sixty-one million, eight hundred fifty-seven thousand, twenty-five".