182231393 has 2 divisors, whose sum is σ = 182231394. Its totient is φ = 182231392.

The previous prime is 182231351. The next prime is 182231431. The reversal of 182231393 is 393132281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96983104 + 85248289 = 9848^2 + 9233^2 .

It is a cyclic number.

It is not a de Polignac number, because 182231393 - 2¹⁶ = 182165857 is a prime.

It is not a weakly prime, because it can be changed into another prime (182231303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91115696 + 91115697.

It is an arithmetic number, because the mean of its divisors is an integer number (91115697).

Almost surely, 2^182231393 is an apocalyptic number.

It is an amenable number.

182231393 is a deficient number, since it is larger than the sum of its proper divisors (1).

182231393 is an equidigital number, since it uses as much as digits as its factorization.

182231393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 182231393 is about 13499.3108342611. The cubic root of 182231393 is about 566.9451768569.

The spelling of 182231393 in words is "one hundred eighty-two million, two hundred thirty-one thousand, three hundred ninety-three".