2006437 has 2 divisors, whose sum is σ = 2006438. Its totient is φ = 2006436.

The previous prime is 2006429. The next prime is 2006441. The reversal of 2006437 is 7346002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1726596 + 279841 = 1314^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006437 - 2³ = 2006429 is a prime.

It is a Chen prime.

2006437 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003218 + 1003219.

It is an arithmetic number, because the mean of its divisors is an integer number (1003219).

2^2006437 is an apocalyptic number.

It is an amenable number.

2006437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006437 is an equidigital number, since it uses as much as digits as its factorization.

2006437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2006437 is about 1416.4875573050. The cubic root of 2006437 is about 126.1271287649.

The spelling of 2006437 in words is "two million, six thousand, four hundred thirty-seven".