65142833 has 4 divisors (see below), whose sum is σ = 74448960. Its totient is φ = 55836708.

The previous prime is 65142817. The next prime is 65142853. The reversal of 65142833 is 33824156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65142833 - 2⁴ = 65142817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65142833.

It is not an unprimeable number, because it can be changed into a prime (65142853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4653053 + ... + 4653066.

It is an arithmetic number, because the mean of its divisors is an integer number (18612240).

Almost surely, 2^65142833 is an apocalyptic number.

It is an amenable number.

65142833 is a deficient number, since it is larger than the sum of its proper divisors (9306127).

65142833 is an equidigital number, since it uses as much as digits as its factorization.

65142833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306126.

The product of its digits is 17280, while the sum is 32.

The square root of 65142833 is about 8071.1110139807. Note that the first 3 decimals coincide. The cubic root of 65142833 is about 402.3668692841.

Adding to 65142833 its reverse (33824156), we get a palindrome (98966989).

The spelling of 65142833 in words is "sixty-five million, one hundred forty-two thousand, eight hundred thirty-three".