245342425553 has 2 divisors, whose sum is σ = 245342425554. Its totient is φ = 245342425552.

The previous prime is 245342425507. The next prime is 245342425561. The reversal of 245342425553 is 355524243542.

245342425553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236669601169 + 8672824384 = 486487^2 + 93128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245342425553 is a prime.

It is not a weakly prime, because it can be changed into another prime (245342425253) 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, 122671212776 + 122671212777.

It is an arithmetic number, because the mean of its divisors is an integer number (122671212777).

Almost surely, 2^245342425553 is an apocalyptic number.

It is an amenable number.

245342425553 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342425553 is an equidigital number, since it uses as much as digits as its factorization.

245342425553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880000, while the sum is 44.

The spelling of 245342425553 in words is "two hundred forty-five billion, three hundred forty-two million, four hundred twenty-five thousand, five hundred fifty-three".