70080509 has 2 divisors, whose sum is σ = 70080510. Its totient is φ = 70080508.

The previous prime is 70080499. The next prime is 70080523. The reversal of 70080509 is 90508007.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49632025 + 20448484 = 7045^2 + 4522^2 .

It is an emirp because it is prime and its reverse (90508007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70080509 - 2⁸ = 70080253 is a prime.

It is a super-2 number, since 2×70080509² = 9822555483398162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70080539) 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, 35040254 + 35040255.

It is an arithmetic number, because the mean of its divisors is an integer number (35040255).

Almost surely, 2^70080509 is an apocalyptic number.

It is an amenable number.

70080509 is a deficient number, since it is larger than the sum of its proper divisors (1).

70080509 is an equidigital number, since it uses as much as digits as its factorization.

70080509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 70080509 is about 8371.4102157283. The cubic root of 70080509 is about 412.2864697118.

The spelling of 70080509 in words is "seventy million, eighty thousand, five hundred nine".