86071025 has 6 divisors (see below), whose sum is σ = 106728102. Its totient is φ = 68856800.

The previous prime is 86071003. The next prime is 86071033. The reversal of 86071025 is 52017068.

It can be written as a sum of positive squares in 3 ways, for example, as 2768896 + 83302129 = 1664^2 + 9127^2 .

It is not a de Polignac number, because 86071025 - 2⁶ = 86070961 is a prime.

It is a Duffinian number.

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, 1721396 + ... + 1721445.

It is an arithmetic number, because the mean of its divisors is an integer number (17788017).

Almost surely, 2^86071025 is an apocalyptic number.

It is an amenable number.

86071025 is a deficient number, since it is larger than the sum of its proper divisors (20657077).

86071025 is a wasteful number, since it uses less digits than its factorization.

86071025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442851 (or 3442846 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 86071025 is about 9277.4471165294. The cubic root of 86071025 is about 441.5219762586.

The spelling of 86071025 in words is "eighty-six million, seventy-one thousand, twenty-five".