2731678825 has 12 divisors (see below), whose sum is σ = 3420822348. Its totient is φ = 2163704000.

The previous prime is 2731678799. The next prime is 2731678841. The reversal of 2731678825 is 5288761372.

It can be written as a sum of positive squares in 6 ways, for example, as 178195801 + 2553483024 = 13349^2 + 50532^2 .

It is not a de Polignac number, because 2731678825 - 2¹¹ = 2731676777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538402 + ... + 543451.

It is an arithmetic number, because the mean of its divisors is an integer number (285068529).

Almost surely, 2^2731678825 is an apocalyptic number.

2731678825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2731678825 is a deficient number, since it is larger than the sum of its proper divisors (689143523).

2731678825 is a wasteful number, since it uses less digits than its factorization.

2731678825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081964 (or 1081959 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 2731678825 is about 52265.4649362272. The cubic root of 2731678825 is about 1397.9014178989.

The spelling of 2731678825 in words is "two billion, seven hundred thirty-one million, six hundred seventy-eight thousand, eight hundred twenty-five".