48680309 has 2 divisors, whose sum is σ = 48680310. Its totient is φ = 48680308.

The previous prime is 48680293. The next prime is 48680311. The reversal of 48680309 is 90308684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45941284 + 2739025 = 6778^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 48680309 - 2⁴ = 48680293 is a prime.

It is a Sophie Germain prime.

Together with 48680311, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48680329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24340154 + 24340155.

It is an arithmetic number, because the mean of its divisors is an integer number (24340155).

Almost surely, 2^48680309 is an apocalyptic number.

It is an amenable number.

48680309 is a deficient number, since it is larger than the sum of its proper divisors (1).

48680309 is an equidigital number, since it uses as much as digits as its factorization.

48680309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 48680309 is about 6977.1275608233. The cubic root of 48680309 is about 365.1330196346.

The spelling of 48680309 in words is "forty-eight million, six hundred eighty thousand, three hundred nine".