8325136181 has 4 divisors (see below), whose sum is σ = 8814850092. Its totient is φ = 7835422272.

The previous prime is 8325136133. The next prime is 8325136199. The reversal of 8325136181 is 1816315238.

8325136181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1816315238 = 2 ⋅908157619.

It can be written as a sum of positive squares in 2 ways, for example, as 7050289156 + 1274847025 = 83966^2 + 35705^2 .

It is a cyclic number.

It is not a de Polignac number, because 8325136181 - 2⁶ = 8325136117 is a prime.

It is a super-2 number, since 2×8325136181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8325136381) 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, 244856930 + ... + 244856963.

It is an arithmetic number, because the mean of its divisors is an integer number (2203712523).

Almost surely, 2^8325136181 is an apocalyptic number.

It is an amenable number.

8325136181 is a deficient number, since it is larger than the sum of its proper divisors (489713911).

8325136181 is a wasteful number, since it uses less digits than its factorization.

8325136181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489713910.

The product of its digits is 34560, while the sum is 38.

The square root of 8325136181 is about 91242.1842187045. The cubic root of 8325136181 is about 2026.7356906238.

The spelling of 8325136181 in words is "eight billion, three hundred twenty-five million, one hundred thirty-six thousand, one hundred eighty-one".