2639041 has 2 divisors, whose sum is σ = 2639042. Its totient is φ = 2639040.

The previous prime is 2638973. The next prime is 2639069. The reversal of 2639041 is 1409362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 14641 = 1620^2 + 121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2639041 - 2⁹ = 2638529 is a prime.

2639041 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2638997 and 2639015.

It is not a weakly prime, because it can be changed into another prime (2639071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319520 + 1319521.

It is an arithmetic number, because the mean of its divisors is an integer number (1319521).

2^2639041 is an apocalyptic number.

It is an amenable number.

2639041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2639041 is an equidigital number, since it uses as much as digits as its factorization.

2639041 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 2639041 is about 1624.5125422723. The cubic root of 2639041 is about 138.1917274828.

The spelling of 2639041 in words is "two million, six hundred thirty-nine thousand, forty-one".