245004317 has 2 divisors, whose sum is σ = 245004318. Its totient is φ = 245004316.

The previous prime is 245004307. The next prime is 245004329. The reversal of 245004317 is 713400542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158030041 + 86974276 = 12571^2 + 9326^2 .

It is a cyclic number.

It is not a de Polignac number, because 245004317 - 2⁴ = 245004301 is a prime.

It is equal to p_13420880 and since 245004317 and 13420880 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245004307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122502158 + 122502159.

It is an arithmetic number, because the mean of its divisors is an integer number (122502159).

Almost surely, 2^245004317 is an apocalyptic number.

It is an amenable number.

245004317 is a deficient number, since it is larger than the sum of its proper divisors (1).

245004317 is an equidigital number, since it uses as much as digits as its factorization.

245004317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 245004317 is about 15652.6137433976. The cubic root of 245004317 is about 625.7361497665.

Adding to 245004317 its reverse (713400542), we get a palindrome (958404859).

The spelling of 245004317 in words is "two hundred forty-five million, four thousand, three hundred seventeen".