245322505361 has 4 divisors (see below), whose sum is σ = 245644874724. Its totient is φ = 245000136000.

The previous prime is 245322505357. The next prime is 245322505403. The reversal of 245322505361 is 163505223542.

245322505361 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.

It can be written as a sum of positive squares in 2 ways, for example, as 73810565761 + 171511939600 = 271681^2 + 414140^2 .

It is a cyclic number.

It is not a de Polignac number, because 245322505361 - 2² = 245322505357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245322505261) 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, 161183540 + ... + 161185061.

It is an arithmetic number, because the mean of its divisors is an integer number (61411218681).

Almost surely, 2^245322505361 is an apocalyptic number.

It is an amenable number.

245322505361 is a deficient number, since it is larger than the sum of its proper divisors (322369363).

245322505361 is an equidigital number, since it uses as much as digits as its factorization.

245322505361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322369362.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 245322505361 in words is "two hundred forty-five billion, three hundred twenty-two million, five hundred five thousand, three hundred sixty-one".