65243101 has 16 divisors (see below), whose sum is σ = 81583488. Its totient is φ = 50688000.

The previous prime is 65243089. The next prime is 65243119. The reversal of 65243101 is 10134256.

It is not a de Polignac number, because 65243101 - 2⁹ = 65242589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65243401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29821 + ... + 31933.

It is an arithmetic number, because the mean of its divisors is an integer number (5098968).

Almost surely, 2^65243101 is an apocalyptic number.

It is an amenable number.

65243101 is a deficient number, since it is larger than the sum of its proper divisors (16340387).

65243101 is a wasteful number, since it uses less digits than its factorization.

65243101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 65243101 is about 8077.3201620339. The cubic root of 65243101 is about 402.5732047965.

Adding to 65243101 its reverse (10134256), we get a palindrome (75377357).

The spelling of 65243101 in words is "sixty-five million, two hundred forty-three thousand, one hundred one".