305372099 has 2 divisors, whose sum is σ = 305372100. Its totient is φ = 305372098.

The previous prime is 305372077. The next prime is 305372107. The reversal of 305372099 is 990273503.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305372099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (305372029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152686049 + 152686050.

It is an arithmetic number, because the mean of its divisors is an integer number (152686050).

Almost surely, 2^305372099 is an apocalyptic number.

305372099 is a deficient number, since it is larger than the sum of its proper divisors (1).

305372099 is an equidigital number, since it uses as much as digits as its factorization.

305372099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 305372099 is about 17474.8991127274. The cubic root of 305372099 is about 673.4051779094.

The spelling of 305372099 in words is "three hundred five million, three hundred seventy-two thousand, ninety-nine".