5215210051 has 8 divisors (see below), whose sum is σ = 5357878704. Its totient is φ = 5072631840.

The previous prime is 5215210031. The next prime is 5215210061. The reversal of 5215210051 is 1500125125.

It is a happy number.

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 5215210051 - 2⁹ = 5215209539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103821 + ... + 145633.

It is an arithmetic number, because the mean of its divisors is an integer number (669734838).

Almost surely, 2^5215210051 is an apocalyptic number.

5215210051 is a deficient number, since it is larger than the sum of its proper divisors (142668653).

5215210051 is a wasteful number, since it uses less digits than its factorization.

5215210051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45221.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 5215210051 is about 72216.4112304122. The cubic root of 5215210051 is about 1734.1657383240.

Adding to 5215210051 its reverse (1500125125), we get a palindrome (6715335176).

The spelling of 5215210051 in words is "five billion, two hundred fifteen million, two hundred ten thousand, fifty-one".