65005436 has 6 divisors (see below), whose sum is σ = 113759520. Its totient is φ = 32502716.

The previous prime is 65005427. The next prime is 65005453. The reversal of 65005436 is 63450056.

It is a junction number, because it is equal to n+sod(n) for n = 65005399 and 65005408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8125676 + ... + 8125683.

It is an arithmetic number, because the mean of its divisors is an integer number (18959920).

Almost surely, 2^65005436 is an apocalyptic number.

It is an amenable number.

65005436 is a deficient number, since it is larger than the sum of its proper divisors (48754084).

65005436 is a wasteful number, since it uses less digits than its factorization.

65005436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16251363 (or 16251361 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 65005436 is about 8062.5948676589. The cubic root of 65005436 is about 402.0837840927.

The spelling of 65005436 in words is "sixty-five million, five thousand, four hundred thirty-six".