2144507 has 2 divisors, whose sum is σ = 2144508. Its totient is φ = 2144506.

The previous prime is 2144503. The next prime is 2144509. The reversal of 2144507 is 7054412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144507 - 2² = 2144503 is a prime.

Together with 2144509, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 4 + 4⁸ + 5⁹ + 0 + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (2144501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072253 + 1072254.

It is an arithmetic number, because the mean of its divisors is an integer number (1072254).

2^2144507 is an apocalyptic number.

2144507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144507 is an equidigital number, since it uses as much as digits as its factorization.

2144507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2144507 is about 1464.4135344909. The cubic root of 2144507 is about 128.9562778736.

Adding to 2144507 its reverse (7054412), we get a palindrome (9198919).

The spelling of 2144507 in words is "two million, one hundred forty-four thousand, five hundred seven".