15242075 has 6 divisors (see below), whose sum is σ = 18900204. Its totient is φ = 12193640.

The previous prime is 15242041. The next prime is 15242083. The reversal of 15242075 is 57024251.

It is not a de Polignac number, because 15242075 - 2¹² = 15237979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 304817 + ... + 304866.

It is an arithmetic number, because the mean of its divisors is an integer number (3150034).

Almost surely, 2^15242075 is an apocalyptic number.

15242075 is a deficient number, since it is larger than the sum of its proper divisors (3658129).

15242075 is an equidigital number, since it uses as much as digits as its factorization.

15242075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609693 (or 609688 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 15242075 is about 3904.1100138188. The cubic root of 15242075 is about 247.9408189951.

The spelling of 15242075 in words is "fifteen million, two hundred forty-two thousand, seventy-five".