25151317 has 2 divisors, whose sum is σ = 25151318. Its totient is φ = 25151316.

The previous prime is 25151297. The next prime is 25151333. The reversal of 25151317 is 71315152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14333796 + 10817521 = 3786^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 25151317 - 2¹¹ = 25149269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25151291 and 25151300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25151377) 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, 12575658 + 12575659.

It is an arithmetic number, because the mean of its divisors is an integer number (12575659).

Almost surely, 2^25151317 is an apocalyptic number.

It is an amenable number.

25151317 is a deficient number, since it is larger than the sum of its proper divisors (1).

25151317 is an equidigital number, since it uses as much as digits as its factorization.

25151317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1050, while the sum is 25.

The square root of 25151317 is about 5015.1088721981. The cubic root of 25151317 is about 292.9905256947.

Adding to 25151317 its reverse (71315152), we get a palindrome (96466469).

The spelling of 25151317 in words is "twenty-five million, one hundred fifty-one thousand, three hundred seventeen".