65253600 has 360 divisors, whose sum is σ = 255218040. Its totient is φ = 16174080.

The previous prime is 65253571. The next prime is 65253611. The reversal of 65253600 is 635256.

65253600 is a `hidden beast` number, since 6 + 5 + 2 + 53 + 600 = 666.

65253600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 1231174 + ... + 1231226.

It is an arithmetic number, because the mean of its divisors is an integer number (708939).

Almost surely, 2^65253600 is an apocalyptic number.

65253600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65253600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127609020).

65253600 is an abundant number, since it is smaller than the sum of its proper divisors (189964440).

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

65253600 is a wasteful number, since it uses less digits than its factorization.

65253600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 65253600 is about 8077.9700420341. The cubic root of 65253600 is about 402.5947978299.

Adding to 65253600 its reverse (635256), we get a palindrome (65888856).

The spelling of 65253600 in words is "sixty-five million, two hundred fifty-three thousand, six hundred".