65394249 has 16 divisors (see below), whose sum is σ = 89579520. Its totient is φ = 42413840.

The previous prime is 65394239. The next prime is 65394253. The reversal of 65394249 is 94249356.

It is a cyclic number.

It is not a de Polignac number, because 65394249 - 2⁹ = 65393737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65394249.

It is not an unprimeable number, because it can be changed into a prime (65394229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23944 + ... + 26534.

It is an arithmetic number, because the mean of its divisors is an integer number (5598720).

Almost surely, 2^65394249 is an apocalyptic number.

It is an amenable number.

65394249 is a deficient number, since it is larger than the sum of its proper divisors (24185271).

65394249 is a wasteful number, since it uses less digits than its factorization.

65394249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820.

The product of its digits is 233280, while the sum is 42.

The square root of 65394249 is about 8086.6710703478. The cubic root of 65394249 is about 402.8838440593.

The spelling of 65394249 in words is "sixty-five million, three hundred ninety-four thousand, two hundred forty-nine".