15238085 has 4 divisors (see below), whose sum is σ = 18285708. Its totient is φ = 12190464.

The previous prime is 15238063. The next prime is 15238087. The reversal of 15238085 is 58083251.

It is a happy number.

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 6280036 + 8958049 = 2506^2 + 2993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15238085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15238087) 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, 1523804 + ... + 1523813.

It is an arithmetic number, because the mean of its divisors is an integer number (4571427).

Almost surely, 2^15238085 is an apocalyptic number.

It is an amenable number.

15238085 is a deficient number, since it is larger than the sum of its proper divisors (3047623).

15238085 is an equidigital number, since it uses as much as digits as its factorization.

15238085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047622.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 15238085 is about 3903.5989804282. The cubic root of 15238085 is about 247.9191821728.

The spelling of 15238085 in words is "fifteen million, two hundred thirty-eight thousand, eighty-five".