2150243 has 4 divisors (see below), whose sum is σ = 2170080. Its totient is φ = 2130408.

The previous prime is 2150227. The next prime is 2150273. The reversal of 2150243 is 3420512.

2150243 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 2150243 - 2⁴ = 2150227 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150273) 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, 9755 + ... + 9972.

It is an arithmetic number, because the mean of its divisors is an integer number (542520).

2^2150243 is an apocalyptic number.

2150243 is a deficient number, since it is larger than the sum of its proper divisors (19837).

2150243 is a wasteful number, since it uses less digits than its factorization.

2150243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19836.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2150243 is about 1466.3706898326. The cubic root of 2150243 is about 129.0711503816.

Adding to 2150243 its reverse (3420512), we get a palindrome (5570755).

The spelling of 2150243 in words is "two million, one hundred fifty thousand, two hundred forty-three".