65297243 has 8 divisors (see below), whose sum is σ = 74982720. Its totient is φ = 56236680.

The previous prime is 65297237. The next prime is 65297251. The reversal of 65297243 is 34279256.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65297243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65297197 and 65297206.

It is not an unprimeable number, because it can be changed into a prime (65297203) 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, 156005 + ... + 156422.

It is an arithmetic number, because the mean of its divisors is an integer number (9372840).

Almost surely, 2^65297243 is an apocalyptic number.

65297243 is a deficient number, since it is larger than the sum of its proper divisors (9685477).

65297243 is a wasteful number, since it uses less digits than its factorization.

65297243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312457.

The product of its digits is 90720, while the sum is 38.

The square root of 65297243 is about 8080.6709498655. The cubic root of 65297243 is about 402.6845324911.

The spelling of 65297243 in words is "sixty-five million, two hundred ninety-seven thousand, two hundred forty-three".