5103287821 has 2 divisors, whose sum is σ = 5103287822. Its totient is φ = 5103287820.

The previous prime is 5103287759. The next prime is 5103287831. The reversal of 5103287821 is 1287823015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5068016100 + 35271721 = 71190^2 + 5939^2 .

It is a cyclic number.

It is not a de Polignac number, because 5103287821 - 2¹⁷ = 5103156749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5103287831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551643910 + 2551643911.

It is an arithmetic number, because the mean of its divisors is an integer number (2551643911).

Almost surely, 2^5103287821 is an apocalyptic number.

It is an amenable number.

5103287821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5103287821 is an equidigital number, since it uses as much as digits as its factorization.

5103287821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 5103287821 is about 71437.2999279788. The cubic root of 5103287821 is about 1721.6704320093.

The spelling of 5103287821 in words is "five billion, one hundred three million, two hundred eighty-seven thousand, eight hundred twenty-one".