65648485 has 32 divisors (see below), whose sum is σ = 93024000. Its totient is φ = 44452800.

The previous prime is 65648467. The next prime is 65648497. The reversal of 65648485 is 58484656.

It is not a de Polignac number, because 65648485 - 2¹⁹ = 65124197 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 31 ways as a sum of consecutive naturals, for example, 173026 + ... + 173404.

It is an arithmetic number, because the mean of its divisors is an integer number (2907000).

Almost surely, 2^65648485 is an apocalyptic number.

It is an amenable number.

65648485 is a deficient number, since it is larger than the sum of its proper divisors (27375515).

65648485 is a wasteful number, since it uses less digits than its factorization.

65648485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 492 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 65648485 is about 8102.3752690183. The cubic root of 65648485 is about 403.4052717952.

It can be divided in two parts, 656 and 48485, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 65648485 in words is "sixty-five million, six hundred forty-eight thousand, four hundred eighty-five".