15000049 has 4 divisors (see below), whose sum is σ = 15009520. Its totient is φ = 14990580.

The previous prime is 15000031. The next prime is 15000053. The reversal of 15000049 is 94000051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 15000049 - 2⁵ = 15000017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15000079) 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 in 3 ways as a sum of consecutive naturals, for example, 1719 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (3752380).

Almost surely, 2^15000049 is an apocalyptic number.

It is an amenable number.

15000049 is a deficient number, since it is larger than the sum of its proper divisors (9471).

15000049 is an equidigital number, since it uses as much as digits as its factorization.

15000049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 15000049 is about 3872.9896720750. The cubic root of 15000049 is about 246.6214759758.

The spelling of 15000049 in words is "fifteen million, forty-nine", and thus it is an aban number and an uban number.