2144537 has 2 divisors, whose sum is σ = 2144538. Its totient is φ = 2144536.

The previous prime is 2144509. The next prime is 2144551. The reversal of 2144537 is 7354412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1336336 + 808201 = 1156^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144537 - 2¹² = 2140441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072268 + 1072269.

It is an arithmetic number, because the mean of its divisors is an integer number (1072269).

2^2144537 is an apocalyptic number.

It is an amenable number.

2144537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144537 is an equidigital number, since it uses as much as digits as its factorization.

2144537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 2144537 is about 1464.4237774633. The cubic root of 2144537 is about 128.9568792038.

Adding to 2144537 its reverse (7354412), we get a palindrome (9498949).

The spelling of 2144537 in words is "two million, one hundred forty-four thousand, five hundred thirty-seven".