65434043 has 4 divisors (see below), whose sum is σ = 68877960. Its totient is φ = 61990128.

The previous prime is 65434027. The next prime is 65434049. The reversal of 65434043 is 34043456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65434043 - 2⁴ = 65434027 is a prime.

It is a super-2 number, since 2×65434043² = 8563227966651698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65433997 and 65434015.

It is not an unprimeable number, because it can be changed into a prime (65434049) 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 3 ways as a sum of consecutive naturals, for example, 1721930 + ... + 1721967.

It is an arithmetic number, because the mean of its divisors is an integer number (17219490).

Almost surely, 2^65434043 is an apocalyptic number.

65434043 is a deficient number, since it is larger than the sum of its proper divisors (3443917).

65434043 is a wasteful number, since it uses less digits than its factorization.

65434043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443916.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 65434043 is about 8089.1311647173. The cubic root of 65434043 is about 402.9655490462.

Adding to 65434043 its reverse (34043456), we get a palindrome (99477499).

The spelling of 65434043 in words is "sixty-five million, four hundred thirty-four thousand, forty-three".