805165375 has 48 divisors (see below), whose sum is σ = 1212494400. Its totient is φ = 522849600.

The previous prime is 805165369. The next prime is 805165381. The reversal of 805165375 is 573561508.

It is an interprime number because it is at equal distance from previous prime (805165369) and next prime (805165381).

It is not a de Polignac number, because 805165375 - 2⁷ = 805165247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314601 + ... + 317149.

It is an arithmetic number, because the mean of its divisors is an integer number (25260300).

Almost surely, 2^805165375 is an apocalyptic number.

805165375 is a deficient number, since it is larger than the sum of its proper divisors (407329025).

805165375 is a wasteful number, since it uses less digits than its factorization.

805165375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 805165375 is about 28375.4361199965. The cubic root of 805165375 is about 930.3114442312.

The spelling of 805165375 in words is "eight hundred five million, one hundred sixty-five thousand, three hundred seventy-five".