5202020251 has 8 divisors (see below), whose sum is σ = 5272118064. Its totient is φ = 5132287200.

The previous prime is 5202020189. The next prime is 5202020267. The reversal of 5202020251 is 1520202025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5202020251 - 2⁷ = 5202020123 is a prime.

It is a super-2 number, since 2×5202020251² = 54122029383628206002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5202050251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62416 + ... + 119581.

It is an arithmetic number, because the mean of its divisors is an integer number (659014758).

Almost surely, 2^5202020251 is an apocalyptic number.

5202020251 is a deficient number, since it is larger than the sum of its proper divisors (70097813).

5202020251 is a wasteful number, since it uses less digits than its factorization.

5202020251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182381.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5202020251 is about 72125.0320693170. The cubic root of 5202020251 is about 1732.7025432247.

Adding to 5202020251 its reverse (1520202025), we get a palindrome (6722222276).

The spelling of 5202020251 in words is "five billion, two hundred two million, twenty thousand, two hundred fifty-one".