15313241 has 2 divisors, whose sum is σ = 15313242. Its totient is φ = 15313240.

The previous prime is 15313231. The next prime is 15313267. The reversal of 15313241 is 14231351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 3610000 = 3421^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 15313241 - 2¹⁰ = 15312217 is a prime.

It is not a weakly prime, because it can be changed into another prime (15313231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7656620 + 7656621.

It is an arithmetic number, because the mean of its divisors is an integer number (7656621).

Almost surely, 2^15313241 is an apocalyptic number.

It is an amenable number.

15313241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15313241 is an equidigital number, since it uses as much as digits as its factorization.

15313241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 15313241 is about 3913.2136409861. The cubic root of 15313241 is about 248.3261026177.

Adding to 15313241 its reverse (14231351), we get a palindrome (29544592).

The spelling of 15313241 in words is "fifteen million, three hundred thirteen thousand, two hundred forty-one".