245305302013 has 2 divisors, whose sum is σ = 245305302014. Its totient is φ = 245305302012.

The previous prime is 245305302007. The next prime is 245305302031. The reversal of 245305302013 is 310203503542.

Together with next prime (245305302031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158036461444 + 87268840569 = 397538^2 + 295413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245305302013 is a prime.

It is a super-3 number, since 3×245305302013³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245305302083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122652651006 + 122652651007.

It is an arithmetic number, because the mean of its divisors is an integer number (122652651007).

Almost surely, 2^245305302013 is an apocalyptic number.

It is an amenable number.

245305302013 is a deficient number, since it is larger than the sum of its proper divisors (1).

245305302013 is an equidigital number, since it uses as much as digits as its factorization.

245305302013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 245305302013 its reverse (310203503542), we get a palindrome (555508805555).

The spelling of 245305302013 in words is "two hundred forty-five billion, three hundred five million, three hundred two thousand, thirteen".