182003213 has 4 divisors (see below), whose sum is σ = 208003680. Its totient is φ = 156002748.

The previous prime is 182003203. The next prime is 182003221. The reversal of 182003213 is 312300281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312300281 = 11813 ⋅26437.

It is a cyclic number.

It is not a de Polignac number, because 182003213 - 2⁴ = 182003197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182003203) 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 in 3 ways as a sum of consecutive naturals, for example, 13000223 + ... + 13000236.

It is an arithmetic number, because the mean of its divisors is an integer number (52000920).

Almost surely, 2^182003213 is an apocalyptic number.

It is an amenable number.

182003213 is a deficient number, since it is larger than the sum of its proper divisors (26000467).

182003213 is an equidigital number, since it uses as much as digits as its factorization.

182003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26000466.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 182003213 is about 13490.8566444092. The cubic root of 182003213 is about 566.7084456317.

Adding to 182003213 its reverse (312300281), we get a palindrome (494303494).

The spelling of 182003213 in words is "one hundred eighty-two million, three thousand, two hundred thirteen".