2681163325 has 6 divisors (see below), whose sum is σ = 3324642554. Its totient is φ = 2144930640.

The previous prime is 2681163259. The next prime is 2681163341. The reversal of 2681163325 is 5233611862.

It can be written as a sum of positive squares in 3 ways, for example, as 35295481 + 2645867844 = 5941^2 + 51438^2 .

It is not a de Polignac number, because 2681163325 - 2¹⁷ = 2681032253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53623242 + ... + 53623291.

Almost surely, 2^2681163325 is an apocalyptic number.

2681163325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2681163325 is a deficient number, since it is larger than the sum of its proper divisors (643479229).

2681163325 is a wasteful number, since it uses less digits than its factorization.

2681163325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107246543 (or 107246538 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 2681163325 is about 51779.9509945693. The cubic root of 2681163325 is about 1389.2308642771.

It can be divided in two parts, 268116 and 3325, that added together give a square (271441 = 521²).

The spelling of 2681163325 in words is "two billion, six hundred eighty-one million, one hundred sixty-three thousand, three hundred twenty-five".