2188051 has 4 divisors (see below), whose sum is σ = 2191104. Its totient is φ = 2185000.

The previous prime is 2188049. The next prime is 2188061. The reversal of 2188051 is 1508812.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2188051 - 2¹ = 2188049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2188001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (547776).

2^2188051 is an apocalyptic number.

2188051 is a deficient number, since it is larger than the sum of its proper divisors (3053).

2188051 is a wasteful number, since it uses less digits than its factorization.

2188051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 2188051 is about 1479.2062060443. The cubic root of 2188051 is about 129.8232509237.

The spelling of 2188051 in words is "two million, one hundred eighty-eight thousand, fifty-one".