71230025 has 6 divisors (see below), whose sum is σ = 88325262. Its totient is φ = 56984000.

The previous prime is 71230001. The next prime is 71230043. The reversal of 71230025 is 52003217.

It can be written as a sum of positive squares in 3 ways, for example, as 350464 + 70879561 = 592^2 + 8419^2 .

It is not a de Polignac number, because 71230025 - 2¹² = 71225929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71229979 and 71230006.

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 5 ways as a sum of consecutive naturals, for example, 1424576 + ... + 1424625.

It is an arithmetic number, because the mean of its divisors is an integer number (14720877).

Almost surely, 2^71230025 is an apocalyptic number.

It is an amenable number.

71230025 is a deficient number, since it is larger than the sum of its proper divisors (17095237).

71230025 is a wasteful number, since it uses less digits than its factorization.

71230025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849211 (or 2849206 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 71230025 is about 8439.7882082431. The cubic root of 71230025 is about 414.5284720439.

The spelling of 71230025 in words is "seventy-one million, two hundred thirty thousand, twenty-five".