2165752 has 8 divisors (see below), whose sum is σ = 4060800. Its totient is φ = 1082872.

The previous prime is 2165747. The next prime is 2165771. The reversal of 2165752 is 2575612.

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 (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2165752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135352 + ... + 135367.

It is an arithmetic number, because the mean of its divisors is an integer number (507600).

2^2165752 is an apocalyptic number.

It is an amenable number.

2165752 is a deficient number, since it is larger than the sum of its proper divisors (1895048).

2165752 is a wasteful number, since it uses less digits than its factorization.

2165752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270725 (or 270721 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 2165752 is about 1471.6494147724. The cubic root of 2165752 is about 129.3807232954.

The spelling of 2165752 in words is "two million, one hundred sixty-five thousand, seven hundred fifty-two".