15112249 has 2 divisors, whose sum is σ = 15112250. Its totient is φ = 15112248.

The previous prime is 15112247. The next prime is 15112267. The reversal of 15112249 is 94221151.

It is a happy number.

15112249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 937024 = 3765^2 + 968^2 .

It is a cyclic number.

It is not a de Polignac number, because 15112249 - 2¹ = 15112247 is a prime.

Together with 15112247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15112247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7556124 + 7556125.

It is an arithmetic number, because the mean of its divisors is an integer number (7556125).

Almost surely, 2^15112249 is an apocalyptic number.

It is an amenable number.

15112249 is a deficient number, since it is larger than the sum of its proper divisors (1).

15112249 is an equidigital number, since it uses as much as digits as its factorization.

15112249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

The square root of 15112249 is about 3887.4476202259. The cubic root of 15112249 is about 247.2348566890.

The spelling of 15112249 in words is "fifteen million, one hundred twelve thousand, two hundred forty-nine".