2534182681 has 4 divisors (see below), whose sum is σ = 2544043572. Its totient is φ = 2524321792.

The previous prime is 2534182667. The next prime is 2534182697. The reversal of 2534182681 is 1862814352.

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 2491607056 + 42575625 = 49916^2 + 6525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534182681 - 2⁹ = 2534182169 is a prime.

It is a super-2 number, since 2×2534182681² = 12844163721360695522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2534182621) 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, 4930060 + ... + 4930573.

It is an arithmetic number, because the mean of its divisors is an integer number (636010893).

Almost surely, 2^2534182681 is an apocalyptic number.

It is an amenable number.

2534182681 is a deficient number, since it is larger than the sum of its proper divisors (9860891).

2534182681 is an equidigital number, since it uses as much as digits as its factorization.

2534182681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860890.

The product of its digits is 92160, while the sum is 40.

The square root of 2534182681 is about 50340.6662748915. Note that the first 3 decimals coincide. The cubic root of 2534182681 is about 1363.3665659382.

The spelling of 2534182681 in words is "two billion, five hundred thirty-four million, one hundred eighty-two thousand, six hundred eighty-one".