245333213 has 2 divisors, whose sum is σ = 245333214. Its totient is φ = 245333212.

The previous prime is 245333159. The next prime is 245333233. The reversal of 245333213 is 312333542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245298244 + 34969 = 15662^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 245333213 - 2¹⁰ = 245332189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245333233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122666606 + 122666607.

It is an arithmetic number, because the mean of its divisors is an integer number (122666607).

Almost surely, 2^245333213 is an apocalyptic number.

It is an amenable number.

245333213 is a deficient number, since it is larger than the sum of its proper divisors (1).

245333213 is an equidigital number, since it uses as much as digits as its factorization.

245333213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 26.

The square root of 245333213 is about 15663.1163246654. The cubic root of 245333213 is about 626.0160225155.

Adding to 245333213 its reverse (312333542), we get a palindrome (557666755).

The spelling of 245333213 in words is "two hundred forty-five million, three hundred thirty-three thousand, two hundred thirteen".