2160451 has 4 divisors (see below), whose sum is σ = 2163672. Its totient is φ = 2157232.

The previous prime is 2160443. The next prime is 2160461. The reversal of 2160451 is 1540612.

2160451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2160451 - 2³ = 2160443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2160461) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 181 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (540918).

2^2160451 is an apocalyptic number.

2160451 is a deficient number, since it is larger than the sum of its proper divisors (3221).

2160451 is an equidigital number, since it uses as much as digits as its factorization.

2160451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2160451 is about 1469.8472709775. The cubic root of 2160451 is about 129.2750775355.

The spelling of 2160451 in words is "two million, one hundred sixty thousand, four hundred fifty-one".