2104261 has 2 divisors, whose sum is σ = 2104262. Its totient is φ = 2104260.

The previous prime is 2104241. The next prime is 2104273. The reversal of 2104261 is 1624012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1512900 + 591361 = 1230^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104261 - 2⁵ = 2104229 is a prime.

It is a super-2 number, since 2×2104261² = 8855828712242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052130 + 1052131.

It is an arithmetic number, because the mean of its divisors is an integer number (1052131).

2^2104261 is an apocalyptic number.

It is an amenable number.

2104261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104261 is an equidigital number, since it uses as much as digits as its factorization.

2104261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2104261 is about 1450.6071142801. The cubic root of 2104261 is about 128.1444698550.

Adding to 2104261 its reverse (1624012), we get a palindrome (3728273).

Subtracting from 2104261 its reverse (1624012), we obtain a square (480249 = 693²).

The spelling of 2104261 in words is "two million, one hundred four thousand, two hundred sixty-one".