65449653 has 16 divisors (see below), whose sum is σ = 90248256. Its totient is φ = 42162560.

The previous prime is 65449627. The next prime is 65449663. The reversal of 65449653 is 35694456.

It is a cyclic number.

It is not a de Polignac number, because 65449653 - 2⁶ = 65449589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65449603) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10675 + ... + 15647.

It is an arithmetic number, because the mean of its divisors is an integer number (5640516).

Almost surely, 2^65449653 is an apocalyptic number.

It is an amenable number.

65449653 is a deficient number, since it is larger than the sum of its proper divisors (24798603).

65449653 is a wasteful number, since it uses less digits than its factorization.

65449653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124.

The product of its digits is 388800, while the sum is 42.

The square root of 65449653 is about 8090.0959821253. The cubic root of 65449653 is about 402.9975904311.

The spelling of 65449653 in words is "sixty-five million, four hundred forty-nine thousand, six hundred fifty-three".