65353240 has 64 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 24740352.

The previous prime is 65353201. The next prime is 65353243. The reversal of 65353240 is 4235356.

65353240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65353199 and 65353208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65353243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60949 + ... + 62011.

It is an arithmetic number, because the mean of its divisors is an integer number (2423925).

Almost surely, 2^65353240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65353240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77565600).

65353240 is an abundant number, since it is smaller than the sum of its proper divisors (89777960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65353240 is a wasteful number, since it uses less digits than its factorization.

65353240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 65353240 is about 8084.1350805142. The cubic root of 65353240 is about 402.7996097489.

Adding to 65353240 its reverse (4235356), we get a palindrome (69588596).

The spelling of 65353240 in words is "sixty-five million, three hundred fifty-three thousand, two hundred forty".