15039161 has 4 divisors (see below), whose sum is σ = 15093732. Its totient is φ = 14984592.

The previous prime is 15039137. The next prime is 15039173. The reversal of 15039161 is 16193051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10523536 + 4515625 = 3244^2 + 2125^2 .

It is not a de Polignac number, because 15039161 - 2⁶ = 15039097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15039161.

It is not an unprimeable number, because it can be changed into a prime (15039181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26870 + ... + 27423.

It is an arithmetic number, because the mean of its divisors is an integer number (3773433).

Almost surely, 2^15039161 is an apocalyptic number.

It is an amenable number.

15039161 is a deficient number, since it is larger than the sum of its proper divisors (54571).

15039161 is an equidigital number, since it uses as much as digits as its factorization.

15039161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54570.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 15039161 is about 3878.0357141213. The cubic root of 15039161 is about 246.8356416666.

The spelling of 15039161 in words is "fifteen million, thirty-nine thousand, one hundred sixty-one".