2606437 has 2 divisors, whose sum is σ = 2606438. Its totient is φ = 2606436.

The previous prime is 2606431. The next prime is 2606459. The reversal of 2606437 is 7346062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1522756 + 1083681 = 1234^2 + 1041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2606437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2606431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303218 + 1303219.

It is an arithmetic number, because the mean of its divisors is an integer number (1303219).

2^2606437 is an apocalyptic number.

It is an amenable number.

2606437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606437 is an equidigital number, since it uses as much as digits as its factorization.

2606437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 2606437 is about 1614.4463447263. The cubic root of 2606437 is about 137.6202716269.

The spelling of 2606437 in words is "two million, six hundred six thousand, four hundred thirty-seven".