5242251042241 has 4 divisors (see below), whose sum is σ = 5242298222932. Its totient is φ = 5242203861552.

The previous prime is 5242251042233. The next prime is 5242251042317. The reversal of 5242251042241 is 1422401522425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5152173625600 + 90077416641 = 2269840^2 + 300129^2 .

It is a cyclic number.

It is not a de Polignac number, because 5242251042241 - 2³ = 5242251042233 is a prime.

It is a super-3 number, since 3×5242251042241³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5242251042197 and 5242251042206.

It is not an unprimeable number, because it can be changed into a prime (5242251042841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23423286 + ... + 23646031.

It is an arithmetic number, because the mean of its divisors is an integer number (1310574555733).

Almost surely, 2^{5242251042241} is an apocalyptic number.

It is an amenable number.

5242251042241 is a deficient number, since it is larger than the sum of its proper divisors (47180691).

5242251042241 is a wasteful number, since it uses less digits than its factorization.

5242251042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47180690.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 5242251042241 its reverse (1422401522425), we get a palindrome (6664652564666).

The spelling of 5242251042241 in words is "five trillion, two hundred forty-two billion, two hundred fifty-one million, forty-two thousand, two hundred forty-one".