15825065 has 16 divisors (see below), whose sum is σ = 19512192. Its totient is φ = 12317184.

The previous prime is 15825059. The next prime is 15825071. The reversal of 15825065 is 56052851.

It is an interprime number because it is at equal distance from previous prime (15825059) and next prime (15825071).

It is a cyclic number.

It is not a de Polignac number, because 15825065 - 2⁴ = 15825049 is a prime.

It is a Duffinian number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 32252 + ... + 32738.

It is an arithmetic number, because the mean of its divisors is an integer number (1219512).

Almost surely, 2^15825065 is an apocalyptic number.

It is an amenable number.

15825065 is a deficient number, since it is larger than the sum of its proper divisors (3687127).

15825065 is an equidigital number, since it uses as much as digits as its factorization.

15825065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 15825065 is about 3978.0730259763. The cubic root of 15825065 is about 251.0624913846.

The spelling of 15825065 in words is "fifteen million, eight hundred twenty-five thousand, sixty-five".