853025805 has 96 divisors (see below), whose sum is σ = 1606924800. Its totient is φ = 417291264.

The previous prime is 853025801. The next prime is 853025819. The reversal of 853025805 is 508520358.

It is not a de Polignac number, because 853025805 - 2² = 853025801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853025805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853025801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4930699 + ... + 4930871.

It is an arithmetic number, because the mean of its divisors is an integer number (16738800).

Almost surely, 2^853025805 is an apocalyptic number.

It is an amenable number.

853025805 is a deficient number, since it is larger than the sum of its proper divisors (753898995).

853025805 is a wasteful number, since it uses less digits than its factorization.

853025805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 853025805 is about 29206.6055028653. The cubic root of 853025805 is about 948.3909252705.

The spelling of 853025805 in words is "eight hundred fifty-three million, twenty-five thousand, eight hundred five".