245122505653 has 2 divisors, whose sum is σ = 245122505654. Its totient is φ = 245122505652.

The previous prime is 245122505651. The next prime is 245122505689. The reversal of 245122505653 is 356505221542.

245122505653 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., 168906204324 + 76216301329 = 410982^2 + 276073^2 .

It is a cyclic number.

It is not a de Polignac number, because 245122505653 - 2¹ = 245122505651 is a prime.

Together with 245122505651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245122505651) 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, 122561252826 + 122561252827.

It is an arithmetic number, because the mean of its divisors is an integer number (122561252827).

Almost surely, 2^245122505653 is an apocalyptic number.

It is an amenable number.

245122505653 is a deficient number, since it is larger than the sum of its proper divisors (1).

245122505653 is an equidigital number, since it uses as much as digits as its factorization.

245122505653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 245122505653 in words is "two hundred forty-five billion, one hundred twenty-two million, five hundred five thousand, six hundred fifty-three".