15085393 has 4 divisors (see below), whose sum is σ = 15107380. Its totient is φ = 15063408.

The previous prime is 15085379. The next prime is 15085397. The reversal of 15085393 is 39358051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39358051 = 103 ⋅382117.

It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 13778944 = 1143^2 + 3712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15085393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15085397) 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, 9930 + ... + 11347.

It is an arithmetic number, because the mean of its divisors is an integer number (3776845).

Almost surely, 2^15085393 is an apocalyptic number.

It is an amenable number.

15085393 is a deficient number, since it is larger than the sum of its proper divisors (21987).

15085393 is an equidigital number, since it uses as much as digits as its factorization.

15085393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21986.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 15085393 is about 3883.9918897959. The cubic root of 15085393 is about 247.0883160393.

The spelling of 15085393 in words is "fifteen million, eighty-five thousand, three hundred ninety-three".