2981437 has 2 divisors, whose sum is σ = 2981438. Its totient is φ = 2981436.

The previous prime is 2981431. The next prime is 2981449. The reversal of 2981437 is 7341892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2643876 + 337561 = 1626^2 + 581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2981437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2981431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490718 + 1490719.

It is an arithmetic number, because the mean of its divisors is an integer number (1490719).

2^2981437 is an apocalyptic number.

It is an amenable number.

2981437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981437 is an equidigital number, since it uses as much as digits as its factorization.

2981437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 2981437 is about 1726.6838158737. The cubic root of 2981437 is about 143.9268693740.

The spelling of 2981437 in words is "two million, nine hundred eighty-one thousand, four hundred thirty-seven".