65512825 has 12 divisors (see below), whose sum is σ = 92841280. Its totient is φ = 44922960.

The previous prime is 65512807. The next prime is 65512831. The reversal of 65512825 is 52821556.

It is not a de Polignac number, because 65512825 - 2⁷ = 65512697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187005 + ... + 187354.

Almost surely, 2^65512825 is an apocalyptic number.

It is an amenable number.

65512825 is a deficient number, since it is larger than the sum of its proper divisors (27328455).

65512825 is a wasteful number, since it uses less digits than its factorization.

65512825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374376 (or 374371 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 65512825 is about 8093.9993204843. Note that the first 3 decimals coincide. The cubic root of 65512825 is about 403.1272064859.

The spelling of 65512825 in words is "sixty-five million, five hundred twelve thousand, eight hundred twenty-five".