15244081 has 2 divisors, whose sum is σ = 15244082. Its totient is φ = 15244080.

The previous prime is 15244063. The next prime is 15244093. The reversal of 15244081 is 18044251.

15244081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11971600 + 3272481 = 3460^2 + 1809^2 .

It is a cyclic number.

It is not a de Polignac number, because 15244081 - 2⁵ = 15244049 is a prime.

It is a super-2 number, since 2×15244081² = 464764011069122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15244381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622040 + 7622041.

It is an arithmetic number, because the mean of its divisors is an integer number (7622041).

Almost surely, 2^15244081 is an apocalyptic number.

It is an amenable number.

15244081 is a deficient number, since it is larger than the sum of its proper divisors (1).

15244081 is an equidigital number, since it uses as much as digits as its factorization.

15244081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 15244081 is about 3904.3669141104. The cubic root of 15244081 is about 247.9516956302.

The spelling of 15244081 in words is "fifteen million, two hundred forty-four thousand, eighty-one".