2144251 has 2 divisors, whose sum is σ = 2144252. Its totient is φ = 2144250.

The previous prime is 2144249. The next prime is 2144269. The reversal of 2144251 is 1524412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144251 - 2¹ = 2144249 is a prime.

Together with 2144249, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2144551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072125 + 1072126.

It is an arithmetic number, because the mean of its divisors is an integer number (1072126).

2^2144251 is an apocalyptic number.

2144251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144251 is an equidigital number, since it uses as much as digits as its factorization.

2144251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 19.

The square root of 2144251 is about 1464.3261248779. The cubic root of 2144251 is about 128.9511462947.

Adding to 2144251 its reverse (1524412), we get a palindrome (3668663).

It can be divided in two parts, 214 and 4251, that added together give a triangular number (4465 = T₉₄).

The spelling of 2144251 in words is "two million, one hundred forty-four thousand, two hundred fifty-one".