2891236325 has 12 divisors (see below), whose sum is σ = 3796023780. Its totient is φ = 2176930560.

The previous prime is 2891236303. The next prime is 2891236357. The reversal of 2891236325 is 5236321982.

2891236325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 96845281 + 2794391044 = 9841^2 + 52862^2 .

It is not a de Polignac number, because 2891236325 - 2¹² = 2891232229 is a prime.

It is a congruent 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, 3401030 + ... + 3401879.

It is an arithmetic number, because the mean of its divisors is an integer number (316335315).

Almost surely, 2^2891236325 is an apocalyptic number.

2891236325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2891236325 is a deficient number, since it is larger than the sum of its proper divisors (904787455).

2891236325 is a wasteful number, since it uses less digits than its factorization.

2891236325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802936 (or 6802931 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 2891236325 is about 53770.2178254840. The cubic root of 2891236325 is about 1424.6052174066.

The spelling of 2891236325 in words is "two billion, eight hundred ninety-one million, two hundred thirty-six thousand, three hundred twenty-five".