65035221 has 8 divisors (see below), whose sum is σ = 88730400. Its totient is φ = 42348432.

The previous prime is 65035199. The next prime is 65035253. The reversal of 65035221 is 12253056.

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

It is not a de Polignac number, because 65035221 - 2⁷ = 65035093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65035191 and 65035200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65035261) 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, 251946 + ... + 252203.

It is an arithmetic number, because the mean of its divisors is an integer number (11091300).

Almost surely, 2^65035221 is an apocalyptic number.

It is an amenable number.

65035221 is a deficient number, since it is larger than the sum of its proper divisors (23695179).

65035221 is a wasteful number, since it uses less digits than its factorization.

65035221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504195.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 65035221 is about 8064.4417661733. The cubic root of 65035221 is about 402.1451853006.

Adding to 65035221 its reverse (12253056), we get a palindrome (77288277).

It can be divided in two parts, 65035 and 221, that added together give a palindrome (65256).

The spelling of 65035221 in words is "sixty-five million, thirty-five thousand, two hundred twenty-one".