5255341203521 has 4 divisors (see below), whose sum is σ = 5255365621332. Its totient is φ = 5255316785712.

The previous prime is 5255341203499. The next prime is 5255341203587. The reversal of 5255341203521 is 1253021435525.

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 5164306245121 + 91034958400 = 2272511^2 + 301720^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255341203521 - 2²² = 5255337009217 is a prime.

It is a super-2 number, since 2×5255341203521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5255341203221) 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, 11883170 + ... + 12317483.

It is an arithmetic number, because the mean of its divisors is an integer number (1313841405333).

Almost surely, 2^{5255341203521} is an apocalyptic number.

It is an amenable number.

5255341203521 is a deficient number, since it is larger than the sum of its proper divisors (24417811).

5255341203521 is a wasteful number, since it uses less digits than its factorization.

5255341203521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24417810.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 5255341203521 in words is "five trillion, two hundred fifty-five billion, three hundred forty-one million, two hundred three thousand, five hundred twenty-one".