2104751 has 4 divisors (see below), whose sum is σ = 2296104. Its totient is φ = 1913400.

The previous prime is 2104747. The next prime is 2104757. The reversal of 2104751 is 1574012.

2104751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2104751 - 2² = 2104747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95660 + ... + 95681.

It is an arithmetic number, because the mean of its divisors is an integer number (574026).

2^2104751 is an apocalyptic number.

2104751 is a deficient number, since it is larger than the sum of its proper divisors (191353).

2104751 is a wasteful number, since it uses less digits than its factorization.

2104751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191352.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2104751 is about 1450.7759992501. The cubic root of 2104751 is about 128.1544156930.

Adding to 2104751 its reverse (1574012), we get a palindrome (3678763).

The spelling of 2104751 in words is "two million, one hundred four thousand, seven hundred fifty-one".