15244241 has 4 divisors (see below), whose sum is σ = 15332532. Its totient is φ = 15155952.

The previous prime is 15244211. The next prime is 15244253. The reversal of 15244241 is 14244251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13987600 + 1256641 = 3740^2 + 1121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15244241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15244211) 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 in 3 ways as a sum of consecutive naturals, for example, 43886 + ... + 44231.

It is an arithmetic number, because the mean of its divisors is an integer number (3833133).

Almost surely, 2^15244241 is an apocalyptic number.

It is an amenable number.

15244241 is a deficient number, since it is larger than the sum of its proper divisors (88291).

15244241 is an equidigital number, since it uses as much as digits as its factorization.

15244241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88290.

The product of its digits is 1280, while the sum is 23.

The square root of 15244241 is about 3904.3874039342. The cubic root of 15244241 is about 247.9525631174.

Adding to 15244241 its reverse (14244251), we get a palindrome (29488492).

The spelling of 15244241 in words is "fifteen million, two hundred forty-four thousand, two hundred forty-one".