859271025 has 12 divisors (see below), whose sum is σ = 1420661552. Its totient is φ = 458277840.

The previous prime is 859270999. The next prime is 859271041. The reversal of 859271025 is 520172958.

It is not a de Polignac number, because 859271025 - 2¹² = 859266929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5728399 + ... + 5728548.

Almost surely, 2^859271025 is an apocalyptic number.

It is an amenable number.

859271025 is a deficient number, since it is larger than the sum of its proper divisors (561390527).

859271025 is a wasteful number, since it uses less digits than its factorization.

859271025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11456960 (or 11456955 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 859271025 is about 29313.3250416939. The cubic root of 859271025 is about 950.6997706638.

The spelling of 859271025 in words is "eight hundred fifty-nine million, two hundred seventy-one thousand, twenty-five".