5263548821 has 2 divisors, whose sum is σ = 5263548822. Its totient is φ = 5263548820.

The previous prime is 5263548817. The next prime is 5263548883. The reversal of 5263548821 is 1288453625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3789756721 + 1473792100 = 61561^2 + 38390^2 .

It is a cyclic number.

It is not a de Polignac number, because 5263548821 - 2² = 5263548817 is a prime.

It is a super-3 number, since 3×5263548821³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5263548221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631774410 + 2631774411.

It is an arithmetic number, because the mean of its divisors is an integer number (2631774411).

Almost surely, 2^5263548821 is an apocalyptic number.

It is an amenable number.

5263548821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5263548821 is an equidigital number, since it uses as much as digits as its factorization.

5263548821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 44.

The square root of 5263548821 is about 72550.3192343080. The cubic root of 5263548821 is about 1739.5071512289.

The spelling of 5263548821 in words is "five billion, two hundred sixty-three million, five hundred forty-eight thousand, eight hundred twenty-one".