245130532321 has 2 divisors, whose sum is σ = 245130532322. Its totient is φ = 245130532320.

The previous prime is 245130532303. The next prime is 245130532363. The reversal of 245130532321 is 123235031542.

245130532321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234992257600 + 10138274721 = 484760^2 + 100689^2 .

It is a cyclic number.

It is not a de Polignac number, because 245130532321 - 2¹³ = 245130524129 is a prime.

It is not a weakly prime, because it can be changed into another prime (245130532301) 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 as a sum of consecutive naturals, namely, 122565266160 + 122565266161.

It is an arithmetic number, because the mean of its divisors is an integer number (122565266161).

Almost surely, 2^245130532321 is an apocalyptic number.

It is an amenable number.

245130532321 is a deficient number, since it is larger than the sum of its proper divisors (1).

245130532321 is an equidigital number, since it uses as much as digits as its factorization.

245130532321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 245130532321 its reverse (123235031542), we get a palindrome (368365563863).

The spelling of 245130532321 in words is "two hundred forty-five billion, one hundred thirty million, five hundred thirty-two thousand, three hundred twenty-one".