245053205203 has 4 divisors (see below), whose sum is σ = 245305578168. Its totient is φ = 244800832240.

The previous prime is 245053205179. The next prime is 245053205227. The reversal of 245053205203 is 302502350542.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (245053205179) and next prime (245053205227).

It is a cyclic number.

It is not a de Polignac number, because 245053205203 - 2¹⁷ = 245053074131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245053205233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126185026 + ... + 126186967.

It is an arithmetic number, because the mean of its divisors is an integer number (61326394542).

Almost surely, 2^245053205203 is an apocalyptic number.

245053205203 is a deficient number, since it is larger than the sum of its proper divisors (252372965).

245053205203 is an equidigital number, since it uses as much as digits as its factorization.

245053205203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252372964.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 245053205203 its reverse (302502350542), we get a palindrome (547555555745).

The spelling of 245053205203 in words is "two hundred forty-five billion, fifty-three million, two hundred five thousand, two hundred three".