5200005251 has 4 divisors (see below), whose sum is σ = 5942863152. Its totient is φ = 4457147352.

The previous prime is 5200005247. The next prime is 5200005257. The reversal of 5200005251 is 1525000025.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5200005251 - 2² = 5200005247 is a prime.

It is a super-2 number, since 2×5200005251² = 54080109220855146002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5200005257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371428940 + ... + 371428953.

It is an arithmetic number, because the mean of its divisors is an integer number (1485715788).

Almost surely, 2^5200005251 is an apocalyptic number.

5200005251 is a deficient number, since it is larger than the sum of its proper divisors (742857901).

5200005251 is an equidigital number, since it uses as much as digits as its factorization.

5200005251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742857900.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 5200005251 is about 72111.0619184047. The cubic root of 5200005251 is about 1732.4787938382.

Adding to 5200005251 its reverse (1525000025), we get a palindrome (6725005276).

The spelling of 5200005251 in words is "five billion, two hundred million, five thousand, two hundred fifty-one".