245320110247 has 2 divisors, whose sum is σ = 245320110248. Its totient is φ = 245320110246.

The previous prime is 245320110239. The next prime is 245320110317. The reversal of 245320110247 is 742011023542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245320110247 - 2³ = 245320110239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245320110547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122660055123 + 122660055124.

It is an arithmetic number, because the mean of its divisors is an integer number (122660055124).

Almost surely, 2^245320110247 is an apocalyptic number.

245320110247 is a deficient number, since it is larger than the sum of its proper divisors (1).

245320110247 is an equidigital number, since it uses as much as digits as its factorization.

245320110247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 245320110247 its reverse (742011023542), we get a palindrome (987331133789).

The spelling of 245320110247 in words is "two hundred forty-five billion, three hundred twenty million, one hundred ten thousand, two hundred forty-seven".