65859225 has 48 divisors (see below), whose sum is σ = 115915200. Its totient is φ = 32901120.

The previous prime is 65859193. The next prime is 65859253. The reversal of 65859225 is 52295856.

It is not a de Polignac number, because 65859225 - 2⁵ = 65859193 is a prime.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 160821 + ... + 161229.

It is an arithmetic number, because the mean of its divisors is an integer number (2414900).

Almost surely, 2^65859225 is an apocalyptic number.

It is an amenable number.

65859225 is a deficient number, since it is larger than the sum of its proper divisors (50055975).

65859225 is a wasteful number, since it uses less digits than its factorization.

65859225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 65859225 is about 8115.3696773468. The cubic root of 65859225 is about 403.8364714930.

The spelling of 65859225 in words is "sixty-five million, eight hundred fifty-nine thousand, two hundred twenty-five".