65013230 has 16 divisors (see below), whose sum is σ = 117403344. Its totient is φ = 25920960.

The previous prime is 65013217. The next prime is 65013257. The reversal of 65013230 is 3231056.

65013230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 7256 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (7337709).

Almost surely, 2^65013230 is an apocalyptic number.

65013230 is a deficient number, since it is larger than the sum of its proper divisors (52390114).

65013230 is a wasteful number, since it uses less digits than its factorization.

65013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21091.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 65013230 is about 8063.0781963218. The cubic root of 65013230 is about 402.0998530862.

Adding to 65013230 its reverse (3231056), we get a palindrome (68244286).

The spelling of 65013230 in words is "sixty-five million, thirteen thousand, two hundred thirty".