5250817121 has 16 divisors (see below), whose sum is σ = 5797004928. Its totient is φ = 4716316800.

The previous prime is 5250817043. The next prime is 5250817127. The reversal of 5250817121 is 1217180525.

It is a cyclic number.

It is not a de Polignac number, because 5250817121 - 2³⁰ = 4177075297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5250817127) 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, 512711 + ... + 522851.

It is an arithmetic number, because the mean of its divisors is an integer number (362312808).

Almost surely, 2^5250817121 is an apocalyptic number.

It is an amenable number.

5250817121 is a deficient number, since it is larger than the sum of its proper divisors (546187807).

5250817121 is a wasteful number, since it uses less digits than its factorization.

5250817121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 5250817121 is about 72462.5221821598. The cubic root of 5250817121 is about 1738.1034871106.

Adding to 5250817121 its reverse (1217180525), we get a palindrome (6467997646).

The spelling of 5250817121 in words is "five billion, two hundred fifty million, eight hundred seventeen thousand, one hundred twenty-one".