200005479251 has 16 divisors (see below), whose sum is σ = 203560289280. Its totient is φ = 196472485440.

The previous prime is 200005479217. The next prime is 200005479259. The reversal of 200005479251 is 152974500002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200005479251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200005479259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24289031 + ... + 24297263.

It is an arithmetic number, because the mean of its divisors is an integer number (12722518080).

Almost surely, 2^200005479251 is an apocalyptic number.

200005479251 is a deficient number, since it is larger than the sum of its proper divisors (3554810029).

200005479251 is an equidigital number, since it uses as much as digits as its factorization.

200005479251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9506.

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 200005479251 its reverse (152974500002), we get a palindrome (352979979253).

The spelling of 200005479251 in words is "two hundred billion, five million, four hundred seventy-nine thousand, two hundred fifty-one".