5302406509 has 2 divisors, whose sum is σ = 5302406510. Its totient is φ = 5302406508.

The previous prime is 5302406503. The next prime is 5302406519. The reversal of 5302406509 is 9056042035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4156380900 + 1146025609 = 64470^2 + 33853^2 .

It is a cyclic number.

It is not a de Polignac number, because 5302406509 - 2⁷ = 5302406381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5302406503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2651203254 + 2651203255.

It is an arithmetic number, because the mean of its divisors is an integer number (2651203255).

Almost surely, 2^5302406509 is an apocalyptic number.

It is an amenable number.

5302406509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5302406509 is an equidigital number, since it uses as much as digits as its factorization.

5302406509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 5302406509 is about 72817.6249887347. The cubic root of 5302406509 is about 1743.7772469135. Note that the first 3 decimals are identical.

The spelling of 5302406509 in words is "five billion, three hundred two million, four hundred six thousand, five hundred nine".