25017313 has 2 divisors, whose sum is σ = 25017314. Its totient is φ = 25017312.

The previous prime is 25017299. The next prime is 25017329. The reversal of 25017313 is 31371052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16184529 + 8832784 = 4023^2 + 2972^2 .

It is a cyclic number.

It is not a de Polignac number, because 25017313 - 2¹⁷ = 24886241 is a prime.

It is not a weakly prime, because it can be changed into another prime (25017373) 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, 12508656 + 12508657.

It is an arithmetic number, because the mean of its divisors is an integer number (12508657).

Almost surely, 2^25017313 is an apocalyptic number.

It is an amenable number.

25017313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25017313 is an equidigital number, since it uses as much as digits as its factorization.

25017313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 25017313 is about 5001.7310003638. The cubic root of 25017313 is about 292.4692562715.

Adding to 25017313 its reverse (31371052), we get a palindrome (56388365).

The spelling of 25017313 in words is "twenty-five million, seventeen thousand, three hundred thirteen".