245652502117 has 4 divisors (see below), whose sum is σ = 267984547776. Its totient is φ = 223320456460.

The previous prime is 245652502079. The next prime is 245652502157. The reversal of 245652502117 is 711205256542.

It is a happy number.

245652502117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245652502117 - 2¹⁹ = 245651977829 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 245652502117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245652502157) 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 in 3 ways as a sum of consecutive naturals, for example, 11166022813 + ... + 11166022834.

It is an arithmetic number, because the mean of its divisors is an integer number (66996136944).

Almost surely, 2^245652502117 is an apocalyptic number.

It is an amenable number.

245652502117 is a deficient number, since it is larger than the sum of its proper divisors (22332045659).

245652502117 is a wasteful number, since it uses less digits than its factorization.

245652502117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22332045658.

The product of its (nonzero) digits is 168000, while the sum is 40.

Adding to 245652502117 its reverse (711205256542), we get a palindrome (956857758659).

The spelling of 245652502117 in words is "two hundred forty-five billion, six hundred fifty-two million, five hundred two thousand, one hundred seventeen".