15242485 has 4 divisors (see below), whose sum is σ = 18290988. Its totient is φ = 12193984.

The previous prime is 15242467. The next prime is 15242501. The reversal of 15242485 is 58424251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58424251 = 457 ⋅127843.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 13010449 = 1494^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 15242485 - 2⁵ = 15242453 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1524244 + ... + 1524253.

It is an arithmetic number, because the mean of its divisors is an integer number (4572747).

Almost surely, 2^15242485 is an apocalyptic number.

It is an amenable number.

15242485 is a deficient number, since it is larger than the sum of its proper divisors (3048503).

15242485 is an equidigital number, since it uses as much as digits as its factorization.

15242485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048502.

The product of its digits is 12800, while the sum is 31.

The square root of 15242485 is about 3904.1625222319. The cubic root of 15242485 is about 247.9430421138.

The spelling of 15242485 in words is "fifteen million, two hundred forty-two thousand, four hundred eighty-five".