5251224205131 has 4 divisors (see below), whose sum is σ = 7001632273512. Its totient is φ = 3500816136752.

The previous prime is 5251224205103. The next prime is 5251224205181. The reversal of 5251224205131 is 1315024221525.

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

It is a cyclic number.

It is not a de Polignac number, because 5251224205131 - 2¹¹ = 5251224203083 is a prime.

It is a super-2 number, since 2×5251224205131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5251224205092 and 5251224205101.

It is not an unprimeable number, because it can be changed into a prime (5251224205181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875204034186 + ... + 875204034191.

It is an arithmetic number, because the mean of its divisors is an integer number (1750408068378).

Almost surely, 2^{5251224205131} is an apocalyptic number.

5251224205131 is a deficient number, since it is larger than the sum of its proper divisors (1750408068381).

5251224205131 is a wasteful number, since it uses less digits than its factorization.

5251224205131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750408068380.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 5251224205131 its reverse (1315024221525), we get a palindrome (6566248426656).

The spelling of 5251224205131 in words is "five trillion, two hundred fifty-one billion, two hundred twenty-four million, two hundred five thousand, one hundred thirty-one".