245201113 has 2 divisors, whose sum is σ = 245201114. Its totient is φ = 245201112.

The previous prime is 245201107. The next prime is 245201123. The reversal of 245201113 is 311102542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221503689 + 23697424 = 14883^2 + 4868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245201113 is a prime.

It is not a weakly prime, because it can be changed into another prime (245201123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122600556 + 122600557.

It is an arithmetic number, because the mean of its divisors is an integer number (122600557).

Almost surely, 2^245201113 is an apocalyptic number.

It is an amenable number.

245201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

245201113 is an equidigital number, since it uses as much as digits as its factorization.

245201113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 245201113 is about 15658.8988437885. The cubic root of 245201113 is about 625.9036426184.

Adding to 245201113 its reverse (311102542), we get a palindrome (556303655).

The spelling of 245201113 in words is "two hundred forty-five million, two hundred one thousand, one hundred thirteen".