213245283 has 6 divisors (see below), whose sum is σ = 284360772. Its totient is φ = 142146660.

The previous prime is 213245269. The next prime is 213245309. The reversal of 213245283 is 382542312.

It is not a de Polignac number, because 213245283 - 2⁴ = 213245267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213245283.

It is not an unprimeable number, because it can be changed into a prime (213245233) 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 5 ways as a sum of consecutive naturals, for example, 21078 + ... + 29508.

It is an arithmetic number, because the mean of its divisors is an integer number (47393462).

Almost surely, 2^213245283 is an apocalyptic number.

213245283 is a deficient number, since it is larger than the sum of its proper divisors (71115489).

213245283 is an frugal number, since it uses more digits than its factorization.

213245283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865 (or 8434 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 213245283 is about 14602.9203586132. The cubic root of 213245283 is about 597.4384154824.

Adding to 213245283 its reverse (382542312), we get a palindrome (595787595).

The spelling of 213245283 in words is "two hundred thirteen million, two hundred forty-five thousand, two hundred eighty-three".