65306213 has 8 divisors (see below), whose sum is σ = 74792832. Its totient is φ = 55858896.

The previous prime is 65306201. The next prime is 65306237. The reversal of 65306213 is 31260356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65306213 - 2⁶ = 65306149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65308213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (9349104).

Almost surely, 2^65306213 is an apocalyptic number.

It is an amenable number.

65306213 is a deficient number, since it is larger than the sum of its proper divisors (9486619).

65306213 is a wasteful number, since it uses less digits than its factorization.

65306213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19651.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 65306213 is about 8081.2259589743. The cubic root of 65306213 is about 402.7029708135.

Adding to 65306213 its reverse (31260356), we get a palindrome (96566569).

The spelling of 65306213 in words is "sixty-five million, three hundred six thousand, two hundred thirteen".