65043238 has 16 divisors (see below), whose sum is σ = 105212016. Its totient is φ = 29979360.

The previous prime is 65043229. The next prime is 65043257. The reversal of 65043238 is 83234056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27220 + ... + 29512.

It is an arithmetic number, because the mean of its divisors is an integer number (6575751).

Almost surely, 2^65043238 is an apocalyptic number.

65043238 is a deficient number, since it is larger than the sum of its proper divisors (40168778).

65043238 is a wasteful number, since it uses less digits than its factorization.

65043238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 65043238 is about 8064.9388094393. The cubic root of 65043238 is about 402.1617089905.

The spelling of 65043238 in words is "sixty-five million, forty-three thousand, two hundred thirty-eight".