15244741 has 2 divisors, whose sum is σ = 15244742. Its totient is φ = 15244740.

The previous prime is 15244739. The next prime is 15244763. The reversal of 15244741 is 14744251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14984641 + 260100 = 3871^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 15244741 - 2¹ = 15244739 is a prime.

Together with 15244739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15244771) 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, 7622370 + 7622371.

It is an arithmetic number, because the mean of its divisors is an integer number (7622371).

Almost surely, 2^15244741 is an apocalyptic number.

It is an amenable number.

15244741 is a deficient number, since it is larger than the sum of its proper divisors (1).

15244741 is an equidigital number, since it uses as much as digits as its factorization.

15244741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 28.

The square root of 15244741 is about 3904.4514339405. The cubic root of 15244741 is about 247.9552739756.

Adding to 15244741 its reverse (14744251), we get a palindrome (29988992).

The spelling of 15244741 in words is "fifteen million, two hundred forty-four thousand, seven hundred forty-one".