2104901 has 2 divisors, whose sum is σ = 2104902. Its totient is φ = 2104900.

The previous prime is 2104871. The next prime is 2104909. The reversal of 2104901 is 1094012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 2401 = 1450^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104901 - 2¹⁴ = 2088517 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052450 + 1052451.

It is an arithmetic number, because the mean of its divisors is an integer number (1052451).

2^2104901 is an apocalyptic number.

2104901 is the 776-th centered heptagonal number.

It is an amenable number.

2104901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104901 is an equidigital number, since it uses as much as digits as its factorization.

2104901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2104901 is about 1450.8276948005. The cubic root of 2104901 is about 128.1574600287.

Adding to 2104901 its reverse (1094012), we get a palindrome (3198913).

The spelling of 2104901 in words is "two million, one hundred four thousand, nine hundred one".