805065425 has 12 divisors (see below), whose sum is σ = 1025262876. Its totient is φ = 626644800.

The previous prime is 805065403. The next prime is 805065439. The reversal of 805065425 is 524560508.

It can be written as a sum of positive squares in 6 ways, for example, as 719104 + 804346321 = 848^2 + 28361^2 .

It is not a de Polignac number, because 805065425 - 2¹⁶ = 804999889 is a prime.

It is a super-3 number, since 3×805065425³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian 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, 434246 + ... + 436095.

It is an arithmetic number, because the mean of its divisors is an integer number (85438573).

Almost surely, 2^805065425 is an apocalyptic number.

It is an amenable number.

805065425 is a deficient number, since it is larger than the sum of its proper divisors (220197451).

805065425 is a wasteful number, since it uses less digits than its factorization.

805065425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870388 (or 870383 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 805065425 is about 28373.6748589251. The cubic root of 805065425 is about 930.2729475946.

The spelling of 805065425 in words is "eight hundred five million, sixty-five thousand, four hundred twenty-five".