65243841 has 16 divisors (see below), whose sum is σ = 99195264. Its totient is φ = 37787904.

The previous prime is 65243821. The next prime is 65243861. The reversal of 65243841 is 14834256.

65243841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65243821) and next prime (65243861).

It is not a de Polignac number, because 65243841 - 2¹⁴ = 65227457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65243821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48541 + ... + 49866.

It is an arithmetic number, because the mean of its divisors is an integer number (6199704).

Almost surely, 2^65243841 is an apocalyptic number.

It is an amenable number.

65243841 is a deficient number, since it is larger than the sum of its proper divisors (33951423).

65243841 is a wasteful number, since it uses less digits than its factorization.

65243841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98440.

The product of its digits is 23040, while the sum is 33.

The square root of 65243841 is about 8077.3659691758. The cubic root of 65243841 is about 402.5747268121.

The spelling of 65243841 in words is "sixty-five million, two hundred forty-three thousand, eight hundred forty-one".