15249049 has 2 divisors, whose sum is σ = 15249050. Its totient is φ = 15249048.

The previous prime is 15249029. The next prime is 15249061. The reversal of 15249049 is 94094251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12027024 + 3222025 = 3468^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 15249049 - 2⁹ = 15248537 is a prime.

It is not a weakly prime, because it can be changed into another prime (15249019) 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, 7624524 + 7624525.

It is an arithmetic number, because the mean of its divisors is an integer number (7624525).

Almost surely, 2^15249049 is an apocalyptic number.

It is an amenable number.

15249049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15249049 is an equidigital number, since it uses as much as digits as its factorization.

15249049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 15249049 is about 3905.0030729821. The cubic root of 15249049 is about 247.9786282745.

The spelling of 15249049 in words is "fifteen million, two hundred forty-nine thousand, forty-nine".