305057099 has 2 divisors, whose sum is σ = 305057100. Its totient is φ = 305057098.

The previous prime is 305057089. The next prime is 305057111. The reversal of 305057099 is 990750503.

It is a weak prime.

It is an emirp because it is prime and its reverse (990750503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305057099 - 2¹² = 305053003 is a prime.

It is not a weakly prime, because it can be changed into another prime (305057089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152528549 + 152528550.

It is an arithmetic number, because the mean of its divisors is an integer number (152528550).

Almost surely, 2^305057099 is an apocalyptic number.

305057099 is a deficient number, since it is larger than the sum of its proper divisors (1).

305057099 is an equidigital number, since it uses as much as digits as its factorization.

305057099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 305057099 is about 17465.8838596849. The cubic root of 305057099 is about 673.1735527212.

The spelling of 305057099 in words is "three hundred five million, fifty-seven thousand, ninety-nine".