65235009 has 8 divisors (see below), whose sum is σ = 99405760. Its totient is φ = 37277136.

The previous prime is 65234989. The next prime is 65235017. The reversal of 65235009 is 90053256.

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

It is not a de Polignac number, because 65235009 - 2⁹ = 65234497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65235029) 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, 1553194 + ... + 1553235.

It is an arithmetic number, because the mean of its divisors is an integer number (12425720).

Almost surely, 2^65235009 is an apocalyptic number.

It is an amenable number.

65235009 is a deficient number, since it is larger than the sum of its proper divisors (34170751).

65235009 is a wasteful number, since it uses less digits than its factorization.

65235009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106439.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 65235009 is about 8076.8192377940. The cubic root of 65235009 is about 402.5565605996.

The spelling of 65235009 in words is "sixty-five million, two hundred thirty-five thousand, nine".