65040335 has 8 divisors (see below), whose sum is σ = 79328256. Its totient is φ = 51179040.

The previous prime is 65040329. The next prime is 65040337. The reversal of 65040335 is 53304056.

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

It is not a de Polignac number, because 65040335 - 2¹² = 65036239 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 (65040337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106319 + ... + 106928.

It is an arithmetic number, because the mean of its divisors is an integer number (9916032).

Almost surely, 2^65040335 is an apocalyptic number.

65040335 is a deficient number, since it is larger than the sum of its proper divisors (14287921).

65040335 is a wasteful number, since it uses less digits than its factorization.

65040335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213313.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 65040335 is about 8064.7588308641. The cubic root of 65040335 is about 402.1557258279.

The spelling of 65040335 in words is "sixty-five million, forty thousand, three hundred thirty-five".