32326381 has 2 divisors, whose sum is σ = 32326382. Its totient is φ = 32326380.

The previous prime is 32326379. The next prime is 32326433. The reversal of 32326381 is 18362323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29877156 + 2449225 = 5466^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 32326381 - 2¹ = 32326379 is a prime.

It is a super-2 number, since 2×32326381² = 2089989817114322, which contains 22 as substring.

Together with 32326379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32326351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16163190 + 16163191.

It is an arithmetic number, because the mean of its divisors is an integer number (16163191).

Almost surely, 2^32326381 is an apocalyptic number.

It is an amenable number.

32326381 is a deficient number, since it is larger than the sum of its proper divisors (1).

32326381 is an equidigital number, since it uses as much as digits as its factorization.

32326381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 32326381 is about 5685.6293407151. The cubic root of 32326381 is about 318.5559312835. Note that the first 3 decimals are identical.

The spelling of 32326381 in words is "thirty-two million, three hundred twenty-six thousand, three hundred eighty-one".