2825416805 has 16 divisors (see below), whose sum is σ = 3477754224. Its totient is φ = 2202309120.

The previous prime is 2825416691. The next prime is 2825416837. The reversal of 2825416805 is 5086145282.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1037226436 + 1788190369 = 32206^2 + 42287^2 .

It is not a de Polignac number, because 2825416805 - 2⁸ = 2825416549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 154739 + ... + 172031.

It is an arithmetic number, because the mean of its divisors is an integer number (217359639).

Almost surely, 2^2825416805 is an apocalyptic number.

It is an amenable number.

2825416805 is a deficient number, since it is larger than the sum of its proper divisors (652337419).

2825416805 is a wasteful number, since it uses less digits than its factorization.

2825416805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 2825416805 is about 53154.6498906728. The cubic root of 2825416805 is about 1413.7116643151.

The spelling of 2825416805 in words is "two billion, eight hundred twenty-five million, four hundred sixteen thousand, eight hundred five".