2185565752 has 8 divisors (see below), whose sum is σ = 4097935800. Its totient is φ = 1092782872.

The previous prime is 2185565749. The next prime is 2185565771. The reversal of 2185565752 is 2575655812.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 as a sum of consecutive naturals, namely, 136597852 + ... + 136597867.

It is an arithmetic number, because the mean of its divisors is an integer number (512241975).

Almost surely, 2^2185565752 is an apocalyptic number.

It is an amenable number.

2185565752 is a deficient number, since it is larger than the sum of its proper divisors (1912370048).

2185565752 is a wasteful number, since it uses less digits than its factorization.

2185565752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273195725 (or 273195721 counting only the distinct ones).

The product of its digits is 840000, while the sum is 46.

The square root of 2185565752 is about 46750.0347807357. The cubic root of 2185565752 is about 1297.7408003940.

The spelling of 2185565752 in words is "two billion, one hundred eighty-five million, five hundred sixty-five thousand, seven hundred fifty-two".