2155652 has 12 divisors (see below), whose sum is σ = 3936576. Its totient is φ = 1030920.

The previous prime is 2155639. The next prime is 2155661. The reversal of 2155652 is 2565512.

It is a d-powerful number, because it can be written as 2⁶ + 1 + 5⁵ + 5⁷ + 6⁸ + 5⁸ + 2¹² .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11624 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (328048).

2^2155652 is an apocalyptic number.

It is an amenable number.

2155652 is a deficient number, since it is larger than the sum of its proper divisors (1780924).

2155652 is a wasteful number, since it uses less digits than its factorization.

2155652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23458 (or 23456 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 2155652 is about 1468.2138808770. The cubic root of 2155652 is about 129.1792871932.

The spelling of 2155652 in words is "two million, one hundred fifty-five thousand, six hundred fifty-two".