65042 has 8 divisors (see below), whose sum is σ = 103356. Its totient is φ = 30592.

The previous prime is 65033. The next prime is 65053. The reversal of 65042 is 24056.

It can be written as a sum of positive squares in 2 ways, for example, as 57121 + 7921 = 239^2 + 89^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 65042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923 + ... + 990.

2⁶⁵⁰⁴² is an apocalyptic number.

65042 is a deficient number, since it is larger than the sum of its proper divisors (38314).

65042 is a wasteful number, since it uses less digits than its factorization.

65042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 65042 is about 255.0333311550. The cubic root of 65042 is about 40.2159157460.

Subtracting from 65042 its sum of digits (17), we obtain a square (65025 = 255²).

Adding to 65042 its reverse (24056), we get a palindrome (89098).

The spelling of 65042 in words is "sixty-five thousand, forty-two".