85992425 has 6 divisors (see below), whose sum is σ = 106630638. Its totient is φ = 68793920.

The previous prime is 85992407. The next prime is 85992449. The reversal of 85992425 is 52429958.

It can be written as a sum of positive squares in 3 ways, for example, as 7333264 + 78659161 = 2708^2 + 8869^2 .

It is not a de Polignac number, because 85992425 - 2⁸ = 85992169 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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1719824 + ... + 1719873.

It is an arithmetic number, because the mean of its divisors is an integer number (17771773).

Almost surely, 2^85992425 is an apocalyptic number.

It is an amenable number.

85992425 is a deficient number, since it is larger than the sum of its proper divisors (20638213).

85992425 is a wasteful number, since it uses less digits than its factorization.

85992425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439707 (or 3439702 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 85992425 is about 9273.2100698733. The cubic root of 85992425 is about 441.3875361398.

The spelling of 85992425 in words is "eighty-five million, nine hundred ninety-two thousand, four hundred twenty-five".