65787225 has 72 divisors (see below), whose sum is σ = 129604800. Its totient is φ = 28842240.

The previous prime is 65787217. The next prime is 65787269. The reversal of 65787225 is 52278756.

It is not a de Polignac number, because 65787225 - 2³ = 65787217 is a prime.

It is a congruent 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 71 ways as a sum of consecutive naturals, for example, 441451 + ... + 441599.

Almost surely, 2^65787225 is an apocalyptic number.

It is an amenable number.

65787225 is a deficient number, since it is larger than the sum of its proper divisors (63817575).

65787225 is a wasteful number, since it uses less digits than its factorization.

65787225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 193 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 65787225 is about 8110.9324371493. The cubic root of 65787225 is about 403.6892543129.

The spelling of 65787225 in words is "sixty-five million, seven hundred eighty-seven thousand, two hundred twenty-five".