65215304 has 64 divisors (see below), whose sum is σ = 159114240. Its totient is φ = 24298560.

The previous prime is 65215303. The next prime is 65215309. The reversal of 65215304 is 40351256.

65215304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65215301) 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, 11867 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (2486160).

Almost surely, 2^65215304 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 65215304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79557120).

65215304 is an abundant number, since it is smaller than the sum of its proper divisors (93898936).

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

65215304 is a wasteful number, since it uses less digits than its factorization.

65215304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650 (or 4646 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 65215304 is about 8075.5992966467. The cubic root of 65215304 is about 402.5160242068.

The spelling of 65215304 in words is "sixty-five million, two hundred fifteen thousand, three hundred four".