182297993 has 2 divisors, whose sum is σ = 182297994. Its totient is φ = 182297992.

The previous prime is 182297971. The next prime is 182298029. The reversal of 182297993 is 399792281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144192064 + 38105929 = 12008^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 182297993 - 2⁸ = 182297737 is a prime.

It is not a weakly prime, because it can be changed into another prime (182297903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91148996 + 91148997.

It is an arithmetic number, because the mean of its divisors is an integer number (91148997).

Almost surely, 2^182297993 is an apocalyptic number.

It is an amenable number.

182297993 is a deficient number, since it is larger than the sum of its proper divisors (1).

182297993 is an equidigital number, since it uses as much as digits as its factorization.

182297993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 182297993 is about 13501.7774015127. Note that the first 3 decimals coincide. The cubic root of 182297993 is about 567.0142354848.

The spelling of 182297993 in words is "one hundred eighty-two million, two hundred ninety-seven thousand, nine hundred ninety-three".