1325838181 has 8 divisors (see below), whose sum is σ = 1357084800. Its totient is φ = 1294718208.

The previous prime is 1325838179. The next prime is 1325838193. The reversal of 1325838181 is 1818385231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1325838181 - 2¹ = 1325838179 is a prime.

It is a super-2 number, since 2×1325838181² = 3515693764394777522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325838121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10311 + ... + 52516.

It is an arithmetic number, because the mean of its divisors is an integer number (169635600).

Almost surely, 2^1325838181 is an apocalyptic number.

It is an amenable number.

1325838181 is a deficient number, since it is larger than the sum of its proper divisors (31246619).

1325838181 is an equidigital number, since it uses as much as digits as its factorization.

1325838181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63323.

The product of its digits is 46080, while the sum is 40.

The square root of 1325838181 is about 36412.0609276652. The cubic root of 1325838181 is about 1098.5761690950.

The spelling of 1325838181 in words is "one billion, three hundred twenty-five million, eight hundred thirty-eight thousand, one hundred eighty-one".