15242885 has 16 divisors (see below), whose sum is σ = 20995200. Its totient is φ = 10406976.

The previous prime is 15242873. The next prime is 15242891. The reversal of 15242885 is 58824251.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 15242885 - 2⁴ = 15242869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8606 + ... + 10224.

It is an arithmetic number, because the mean of its divisors is an integer number (1312200).

Almost surely, 2^15242885 is an apocalyptic number.

It is an amenable number.

15242885 is a deficient number, since it is larger than the sum of its proper divisors (5752315).

15242885 is a wasteful number, since it uses less digits than its factorization.

15242885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900.

The product of its digits is 25600, while the sum is 35.

The square root of 15242885 is about 3904.2137492714. The cubic root of 15242885 is about 247.9452109716.

The spelling of 15242885 in words is "fifteen million, two hundred forty-two thousand, eight hundred eighty-five".