2104000001 has 4 divisors (see below), whose sum is σ = 2104456452. Its totient is φ = 2103543552.

The previous prime is 2103999973. The next prime is 2104000009. The reversal of 2104000001 is 1000004012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333610225 + 1770389776 = 18265^2 + 42076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104000001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2104000009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221240 + ... + 230553.

It is an arithmetic number, because the mean of its divisors is an integer number (526114113).

Almost surely, 2^2104000001 is an apocalyptic number.

It is an amenable number.

2104000001 is a deficient number, since it is larger than the sum of its proper divisors (456451).

2104000001 is an equidigital number, since it uses as much as digits as its factorization.

2104000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456450.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2104000001 is about 45869.3797756194. The cubic root of 2104000001 is about 1281.3917156401.

Adding to 2104000001 its reverse (1000004012), we get a palindrome (3104004013).

The spelling of 2104000001 in words is "two billion, one hundred four million, one", and thus it is an aban number.