15020281 has 2 divisors, whose sum is σ = 15020282. Its totient is φ = 15020280.

The previous prime is 15020273. The next prime is 15020297. The reversal of 15020281 is 18202051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 2944656 = 3475^2 + 1716^2 .

It is a cyclic number.

It is not a de Polignac number, because 15020281 - 2³ = 15020273 is a prime.

It is a super-2 number, since 2×15020281² = 451217682637922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15020221) 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, 7510140 + 7510141.

It is an arithmetic number, because the mean of its divisors is an integer number (7510141).

Almost surely, 2^15020281 is an apocalyptic number.

It is an amenable number.

15020281 is a deficient number, since it is larger than the sum of its proper divisors (1).

15020281 is an equidigital number, since it uses as much as digits as its factorization.

15020281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 15020281 is about 3875.6007276292. The cubic root of 15020281 is about 246.7323068148.

The spelling of 15020281 in words is "fifteen million, twenty thousand, two hundred eighty-one".