1304952109 has 2 divisors, whose sum is σ = 1304952110. Its totient is φ = 1304952108.

The previous prime is 1304952071. The next prime is 1304952139. The reversal of 1304952109 is 9012594031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1225350025 + 79602084 = 35005^2 + 8922^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304952109 - 2⁷ = 1304951981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304952139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652476054 + 652476055.

It is an arithmetic number, because the mean of its divisors is an integer number (652476055).

Almost surely, 2^1304952109 is an apocalyptic number.

It is an amenable number.

1304952109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304952109 is an equidigital number, since it uses as much as digits as its factorization.

1304952109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1304952109 is about 36124.1208751161. The cubic root of 1304952109 is about 1092.7769467215.

The spelling of 1304952109 in words is "one billion, three hundred four million, nine hundred fifty-two thousand, one hundred nine".