2104725261 has 8 divisors (see below), whose sum is σ = 2806535200. Its totient is φ = 1403032752.

The previous prime is 2104725223. The next prime is 2104725281. The reversal of 2104725261 is 1625274012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2104725261 - 2¹⁵ = 2104692493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104725221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29091 + ... + 71103.

It is an arithmetic number, because the mean of its divisors is an integer number (350816900).

Almost surely, 2^2104725261 is an apocalyptic number.

It is an amenable number.

2104725261 is a deficient number, since it is larger than the sum of its proper divisors (701809939).

2104725261 is a wasteful number, since it uses less digits than its factorization.

2104725261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58715.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2104725261 is about 45877.2848041381. The cubic root of 2104725261 is about 1281.5389329076.

Adding to 2104725261 its reverse (1625274012), we get a palindrome (3729999273).

The spelling of 2104725261 in words is "two billion, one hundred four million, seven hundred twenty-five thousand, two hundred sixty-one".