2187151 has 8 divisors (see below), whose sum is σ = 2306880. Its totient is φ = 2070432.

The previous prime is 2187149. The next prime is 2187161. The reversal of 2187151 is 1517812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2187151 - 2¹ = 2187149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 826 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (288360).

2^2187151 is an apocalyptic number.

2187151 is a deficient number, since it is larger than the sum of its proper divisors (119729).

2187151 is a wasteful number, since it uses less digits than its factorization.

2187151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its digits is 560, while the sum is 25.

The square root of 2187151 is about 1478.9019575347. The cubic root of 2187151 is about 129.8054486346.

The spelling of 2187151 in words is "two million, one hundred eighty-seven thousand, one hundred fifty-one".