15042873 has 4 divisors (see below), whose sum is σ = 20057168. Its totient is φ = 10028580.

The previous prime is 15042871. The next prime is 15042877. The reversal of 15042873 is 37824051.

15042873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 37824051 = 3 ⋅12608017.

It is not a de Polignac number, because 15042873 - 2¹ = 15042871 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 15042873.

It is not an unprimeable number, because it can be changed into a prime (15042871) 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, 2507143 + ... + 2507148.

It is an arithmetic number, because the mean of its divisors is an integer number (5014292).

Almost surely, 2^15042873 is an apocalyptic number.

It is an amenable number.

15042873 is a deficient number, since it is larger than the sum of its proper divisors (5014295).

15042873 is an equidigital number, since it uses as much as digits as its factorization.

15042873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014294.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 15042873 is about 3878.5142774006. The cubic root of 15042873 is about 246.8559481746.

The spelling of 15042873 in words is "fifteen million, forty-two thousand, eight hundred seventy-three".