15014981 has 2 divisors, whose sum is σ = 15014982. Its totient is φ = 15014980.

The previous prime is 15014947. The next prime is 15014983. The reversal of 15014981 is 18941051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13205956 + 1809025 = 3634^2 + 1345^2 .

It is an emirp because it is prime and its reverse (18941051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15014981 - 2⁶ = 15014917 is a prime.

It is a super-2 number, since 2×15014981² = 450899308860722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 15014983, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15014983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507490 + 7507491.

It is an arithmetic number, because the mean of its divisors is an integer number (7507491).

Almost surely, 2^15014981 is an apocalyptic number.

It is an amenable number.

15014981 is a deficient number, since it is larger than the sum of its proper divisors (1).

15014981 is an equidigital number, since it uses as much as digits as its factorization.

15014981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 15014981 is about 3874.9169023348. The cubic root of 15014981 is about 246.7032830554.

The spelling of 15014981 in words is "fifteen million, fourteen thousand, nine hundred eighty-one".