65033213 has 8 divisors (see below), whose sum is σ = 77555328. Its totient is φ = 53319024.

The previous prime is 65033207. The next prime is 65033233. The reversal of 65033213 is 31233056.

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 65033213 - 2⁶ = 65033149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65033203) 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, 201806 + ... + 202127.

It is an arithmetic number, because the mean of its divisors is an integer number (9694416).

Almost surely, 2^65033213 is an apocalyptic number.

It is an amenable number.

65033213 is a deficient number, since it is larger than the sum of its proper divisors (12522115).

65033213 is a wasteful number, since it uses less digits than its factorization.

65033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403963.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 65033213 is about 8064.3172680643. The cubic root of 65033213 is about 402.1410464364.

Adding to 65033213 its reverse (31233056), we get a palindrome (96266269).

The spelling of 65033213 in words is "sixty-five million, thirty-three thousand, two hundred thirteen".