245343244345253 has 2 divisors, whose sum is σ = 245343244345254. Its totient is φ = 245343244345252.

The previous prime is 245343244345141. The next prime is 245343244345351. The reversal of 245343244345253 is 352543442343542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244420017387844 + 923226957409 = 15633938^2 + 960847^2 .

It is a cyclic number.

It is not a de Polignac number, because 245343244345253 - 2⁸ = 245343244344997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245343244345195 and 245343244345204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245343244342253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671622172626 + 122671622172627.

It is an arithmetic number, because the mean of its divisors is an integer number (122671622172627).

Almost surely, 2^{245343244345253} is an apocalyptic number.

It is an amenable number.

245343244345253 is a deficient number, since it is larger than the sum of its proper divisors (1).

245343244345253 is an equidigital number, since it uses as much as digits as its factorization.

245343244345253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944000, while the sum is 53.

Adding to 245343244345253 its reverse (352543442343542), we get a palindrome (597886686688795).

The spelling of 245343244345253 in words is "two hundred forty-five trillion, three hundred forty-three billion, two hundred forty-four million, three hundred forty-five thousand, two hundred fifty-three".