65042999 has 8 divisors (see below), whose sum is σ = 74384160. Its totient is φ = 55714176.

The previous prime is 65042987. The next prime is 65043001. The reversal of 65042999 is 99924056.

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

It is not a de Polignac number, because 65042999 - 2¹² = 65038903 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 (65042399) 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, 16667 + ... + 20195.

It is an arithmetic number, because the mean of its divisors is an integer number (9298020).

Almost surely, 2^65042999 is an apocalyptic number.

65042999 is a deficient number, since it is larger than the sum of its proper divisors (9341161).

65042999 is a wasteful number, since it uses less digits than its factorization.

65042999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 65042999 is about 8064.9239922023. The cubic root of 65042999 is about 402.1612164117.

The spelling of 65042999 in words is "sixty-five million, forty-two thousand, nine hundred ninety-nine".