15078241 has 4 divisors (see below), whose sum is σ = 15086484. Its totient is φ = 15070000.

The previous prime is 15078233. The next prime is 15078247. The reversal of 15078241 is 14287051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10751841 + 4326400 = 3279^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 15078241 - 2³ = 15078233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15078247) 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 in 3 ways as a sum of consecutive naturals, for example, 10 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (3771621).

Almost surely, 2^15078241 is an apocalyptic number.

It is an amenable number.

15078241 is a deficient number, since it is larger than the sum of its proper divisors (8243).

15078241 is an equidigital number, since it uses as much as digits as its factorization.

15078241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 15078241 is about 3883.0710784120. The cubic root of 15078241 is about 247.0492615936.

The spelling of 15078241 in words is "fifteen million, seventy-eight thousand, two hundred forty-one".