245332213 has 4 divisors (see below), whose sum is σ = 280379680. Its totient is φ = 210284748.

The previous prime is 245332211. The next prime is 245332223. The reversal of 245332213 is 312233542.

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.

It is a cyclic number.

It is not a de Polignac number, because 245332213 - 2¹ = 245332211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245332211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17523723 + ... + 17523736.

It is an arithmetic number, because the mean of its divisors is an integer number (70094920).

Almost surely, 2^245332213 is an apocalyptic number.

It is an amenable number.

245332213 is a deficient number, since it is larger than the sum of its proper divisors (35047467).

245332213 is an equidigital number, since it uses as much as digits as its factorization.

245332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35047466.

The product of its digits is 4320, while the sum is 25.

The square root of 245332213 is about 15663.0844025051. The cubic root of 245332213 is about 626.0151719487.

Adding to 245332213 its reverse (312233542), we get a palindrome (557565755).

The spelling of 245332213 in words is "two hundred forty-five million, three hundred thirty-two thousand, two hundred thirteen".