245384339 has 2 divisors, whose sum is σ = 245384340. Its totient is φ = 245384338.

The previous prime is 245384299. The next prime is 245384369. The reversal of 245384339 is 933483542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245384339 - 2¹² = 245380243 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 245384296 and 245384305.

It is not a weakly prime, because it can be changed into another prime (245384369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122692169 + 122692170.

It is an arithmetic number, because the mean of its divisors is an integer number (122692170).

Almost surely, 2^245384339 is an apocalyptic number.

245384339 is a deficient number, since it is larger than the sum of its proper divisors (1).

245384339 is an equidigital number, since it uses as much as digits as its factorization.

245384339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The square root of 245384339 is about 15664.7482903493. The cubic root of 245384339 is about 626.0595055153.

The spelling of 245384339 in words is "two hundred forty-five million, three hundred eighty-four thousand, three hundred thirty-nine".