2681250041 has 4 divisors (see below), whose sum is σ = 2708891892. Its totient is φ = 2653608192.

The previous prime is 2681249953. The next prime is 2681250049. The reversal of 2681250041 is 1400521862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1400521862 = 2 ⋅700260931.

It can be written as a sum of positive squares in 2 ways, for example, as 445378816 + 2235871225 = 21104^2 + 47285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2681250041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2681249986 and 2681250013.

It is not an unprimeable number, because it can be changed into a prime (2681250049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13820780 + ... + 13820973.

It is an arithmetic number, because the mean of its divisors is an integer number (677222973).

Almost surely, 2^2681250041 is an apocalyptic number.

It is an amenable number.

2681250041 is a deficient number, since it is larger than the sum of its proper divisors (27641851).

2681250041 is an equidigital number, since it uses as much as digits as its factorization.

2681250041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27641850.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2681250041 is about 51780.7883389197. The cubic root of 2681250041 is about 1389.2458412641.

The spelling of 2681250041 in words is "two billion, six hundred eighty-one million, two hundred fifty thousand, forty-one".