65230643 has 4 divisors (see below), whose sum is σ = 65595240. Its totient is φ = 64866048.

The previous prime is 65230639. The next prime is 65230679. The reversal of 65230643 is 34603256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65230643 - 2² = 65230639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65250643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182030 + ... + 182387.

It is an arithmetic number, because the mean of its divisors is an integer number (16398810).

Almost surely, 2^65230643 is an apocalyptic number.

65230643 is a deficient number, since it is larger than the sum of its proper divisors (364597).

65230643 is a wasteful number, since it uses less digits than its factorization.

65230643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364596.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 65230643 is about 8076.5489536064. The cubic root of 65230643 is about 402.5475797309.

Adding to 65230643 its reverse (34603256), we get a palindrome (99833899).

The spelling of 65230643 in words is "sixty-five million, two hundred thirty thousand, six hundred forty-three".