245522321241 has 4 divisors (see below), whose sum is σ = 327363094992. Its totient is φ = 163681547492.

The previous prime is 245522321183. The next prime is 245522321243. The reversal of 245522321241 is 142123225542.

245522321241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245522321241 - 2¹⁰ = 245522320217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245522321243) 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, 40920386871 + ... + 40920386876.

It is an arithmetic number, because the mean of its divisors is an integer number (81840773748).

Almost surely, 2^245522321241 is an apocalyptic number.

It is an amenable number.

245522321241 is a deficient number, since it is larger than the sum of its proper divisors (81840773751).

245522321241 is an equidigital number, since it uses as much as digits as its factorization.

245522321241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81840773750.

The product of its digits is 38400, while the sum is 33.

Adding to 245522321241 its reverse (142123225542), we get a palindrome (387645546783).

The spelling of 245522321241 in words is "two hundred forty-five billion, five hundred twenty-two million, three hundred twenty-one thousand, two hundred forty-one".