2601943 has 2 divisors, whose sum is σ = 2601944. Its totient is φ = 2601942.

The previous prime is 2601931. The next prime is 2601979. The reversal of 2601943 is 3491062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2601943 - 2¹³ = 2593751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2601913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300971 + 1300972.

It is an arithmetic number, because the mean of its divisors is an integer number (1300972).

2^2601943 is an apocalyptic number.

2601943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601943 is an equidigital number, since it uses as much as digits as its factorization.

2601943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2601943 is about 1613.0539358620. The cubic root of 2601943 is about 137.5411314964.

It can be divided in two parts, 26019 and 43, that added together give a palindrome (26062).

The spelling of 2601943 in words is "two million, six hundred one thousand, nine hundred forty-three".