245474500217 has 16 divisors (see below), whose sum is σ = 253339591680. Its totient is φ = 237764461200.

The previous prime is 245474500181. The next prime is 245474500259. The reversal of 245474500217 is 712005474542.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245474500217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245474508217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938492 + ... + 1171202.

It is an arithmetic number, because the mean of its divisors is an integer number (15833724480).

Almost surely, 2^245474500217 is an apocalyptic number.

It is an amenable number.

245474500217 is a deficient number, since it is larger than the sum of its proper divisors (7865091463).

245474500217 is a wasteful number, since it uses less digits than its factorization.

245474500217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233044.

The product of its (nonzero) digits is 313600, while the sum is 41.

Adding to 245474500217 its reverse (712005474542), we get a palindrome (957479974759).

The spelling of 245474500217 in words is "two hundred forty-five billion, four hundred seventy-four million, five hundred thousand, two hundred seventeen".