245305500102401 has 2 divisors, whose sum is σ = 245305500102402. Its totient is φ = 245305500102400.

The previous prime is 245305500102371. The next prime is 245305500102409. The reversal of 245305500102401 is 104201005503542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243160329772801 + 2145170329600 = 15593599^2 + 1464640^2 .

It is a cyclic number.

It is not a de Polignac number, because 245305500102401 - 2²² = 245305495908097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (245305500102409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122652750051200 + 122652750051201.

It is an arithmetic number, because the mean of its divisors is an integer number (122652750051201).

Almost surely, 2^{245305500102401} is an apocalyptic number.

It is an amenable number.

245305500102401 is a deficient number, since it is larger than the sum of its proper divisors (1).

245305500102401 is an equidigital number, since it uses as much as digits as its factorization.

245305500102401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 245305500102401 its reverse (104201005503542), we get a palindrome (349506505605943).

The spelling of 245305500102401 in words is "two hundred forty-five trillion, three hundred five billion, five hundred million, one hundred two thousand, four hundred one".