5310452253221 has 4 divisors (see below), whose sum is σ = 5383198174572. Its totient is φ = 5237706331872.

The previous prime is 5310452253193. The next prime is 5310452253241. The reversal of 5310452253221 is 1223522540135.

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 4034128488196 + 1276323765025 = 2008514^2 + 1129745^2 .

It is a cyclic number.

It is not a de Polignac number, because 5310452253221 - 2²² = 5310448058917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5310452253241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36372960566 + ... + 36372960711.

It is an arithmetic number, because the mean of its divisors is an integer number (1345799543643).

Almost surely, 2^{5310452253221} is an apocalyptic number.

It is an amenable number.

5310452253221 is a deficient number, since it is larger than the sum of its proper divisors (72745921351).

5310452253221 is an equidigital number, since it uses as much as digits as its factorization.

5310452253221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72745921350.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 5310452253221 its reverse (1223522540135), we get a palindrome (6533974793356).

The spelling of 5310452253221 in words is "five trillion, three hundred ten billion, four hundred fifty-two million, two hundred fifty-three thousand, two hundred twenty-one".