305482109 has 2 divisors, whose sum is σ = 305482110. Its totient is φ = 305482108.

The previous prime is 305482043. The next prime is 305482139. The reversal of 305482109 is 901284503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254402500 + 51079609 = 15950^2 + 7147^2 .

It is a cyclic number.

It is not a de Polignac number, because 305482109 - 2²⁰ = 304433533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305482139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152741054 + 152741055.

It is an arithmetic number, because the mean of its divisors is an integer number (152741055).

Almost surely, 2^305482109 is an apocalyptic number.

It is an amenable number.

305482109 is a deficient number, since it is larger than the sum of its proper divisors (1).

305482109 is an equidigital number, since it uses as much as digits as its factorization.

305482109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 305482109 is about 17478.0464869504. The cubic root of 305482109 is about 673.4860327198.

The spelling of 305482109 in words is "three hundred five million, four hundred eighty-two thousand, one hundred nine".