65365249 has 8 divisors (see below), whose sum is σ = 66631680. Its totient is φ = 64110816.

The previous prime is 65365219. The next prime is 65365259. The reversal of 65365249 is 94256356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65365249 - 2¹⁷ = 65234177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65365219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8412 + ... + 14194.

It is an arithmetic number, because the mean of its divisors is an integer number (8328960).

Almost surely, 2^65365249 is an apocalyptic number.

It is an amenable number.

65365249 is a deficient number, since it is larger than the sum of its proper divisors (1266431).

65365249 is a wasteful number, since it uses less digits than its factorization.

65365249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999.

The product of its digits is 194400, while the sum is 40.

The square root of 65365249 is about 8084.8777974686. The cubic root of 65365249 is about 402.8242804169.

The spelling of 65365249 in words is "sixty-five million, three hundred sixty-five thousand, two hundred forty-nine".