5213531121 has 8 divisors (see below), whose sum is σ = 7018864320. Its totient is φ = 3441942672.

The previous prime is 5213531111. The next prime is 5213531123. The reversal of 5213531121 is 1211353125.

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

It is not a de Polignac number, because 5213531121 - 2¹⁴ = 5213514737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5213531091 and 5213531100.

It is not an unprimeable number, because it can be changed into a prime (5213531123) 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, 8435826 + ... + 8436443.

It is an arithmetic number, because the mean of its divisors is an integer number (877358040).

Almost surely, 2^5213531121 is an apocalyptic number.

It is an amenable number.

5213531121 is a deficient number, since it is larger than the sum of its proper divisors (1805333199).

5213531121 is a wasteful number, since it uses less digits than its factorization.

5213531121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872375.

The product of its digits is 900, while the sum is 24.

The square root of 5213531121 is about 72204.7859978824. The cubic root of 5213531121 is about 1733.9796253105.

Adding to 5213531121 its reverse (1211353125), we get a palindrome (6424884246).

The spelling of 5213531121 in words is "five billion, two hundred thirteen million, five hundred thirty-one thousand, one hundred twenty-one".