2405250317 has 2 divisors, whose sum is σ = 2405250318. Its totient is φ = 2405250316.

The previous prime is 2405250269. The next prime is 2405250329. The reversal of 2405250317 is 7130525042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2379585961 + 25664356 = 48781^2 + 5066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405250317 - 2⁸ = 2405250061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2405250317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405250347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202625158 + 1202625159.

It is an arithmetic number, because the mean of its divisors is an integer number (1202625159).

Almost surely, 2^2405250317 is an apocalyptic number.

It is an amenable number.

2405250317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405250317 is an equidigital number, since it uses as much as digits as its factorization.

2405250317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2405250317 is about 49043.3514046502. The cubic root of 2405250317 is about 1339.8415044216.

Adding to 2405250317 its reverse (7130525042), we get a palindrome (9535775359).

The spelling of 2405250317 in words is "two billion, four hundred five million, two hundred fifty thousand, three hundred seventeen".