5313087421 has 2 divisors, whose sum is σ = 5313087422. Its totient is φ = 5313087420.

The previous prime is 5313087347. The next prime is 5313087433. The reversal of 5313087421 is 1247803135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5164003321 + 149084100 = 71861^2 + 12210^2 .

It is a cyclic number.

It is not a de Polignac number, because 5313087421 - 2¹⁹ = 5312563133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5313087491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656543710 + 2656543711.

It is an arithmetic number, because the mean of its divisors is an integer number (2656543711).

Almost surely, 2^5313087421 is an apocalyptic number.

It is an amenable number.

5313087421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5313087421 is an equidigital number, since it uses as much as digits as its factorization.

5313087421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 5313087421 is about 72890.9282489941. The cubic root of 5313087421 is about 1744.9473218855.

The spelling of 5313087421 in words is "five billion, three hundred thirteen million, eighty-seven thousand, four hundred twenty-one".