861025325 has 12 divisors (see below), whose sum is σ = 1073848308. Its totient is φ = 684835200.

The previous prime is 861025271. The next prime is 861025331. The reversal of 861025325 is 523520168.

It can be written as a sum of positive squares in 6 ways, for example, as 71808676 + 789216649 = 8474^2 + 28093^2 .

It is not a de Polignac number, because 861025325 - 2¹⁰ = 861024301 is a prime.

It is a super-2 number, since 2×861025325² = 1482729220582711250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 861025291 and 861025300.

It is a congruent 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, 95216 + ... + 103865.

It is an arithmetic number, because the mean of its divisors is an integer number (89487359).

Almost surely, 2^861025325 is an apocalyptic number.

It is an amenable number.

861025325 is a deficient number, since it is larger than the sum of its proper divisors (212822983).

861025325 is a wasteful number, since it uses less digits than its factorization.

861025325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199264 (or 199259 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 861025325 is about 29343.2330359148. The cubic root of 861025325 is about 951.3463182740.

The spelling of 861025325 in words is "eight hundred sixty-one million, twenty-five thousand, three hundred twenty-five".