65254443 has 4 divisors (see below), whose sum is σ = 87005928. Its totient is φ = 43502960.

The previous prime is 65254433. The next prime is 65254447. The reversal of 65254443 is 34445256.

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 65254443 - 2¹² = 65250347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65254447) 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, 10875738 + ... + 10875743.

It is an arithmetic number, because the mean of its divisors is an integer number (21751482).

Almost surely, 2^65254443 is an apocalyptic number.

65254443 is a deficient number, since it is larger than the sum of its proper divisors (21751485).

65254443 is a wasteful number, since it uses less digits than its factorization.

65254443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21751484.

The product of its digits is 57600, while the sum is 33.

The square root of 65254443 is about 8078.0222208162. The cubic root of 65254443 is about 402.5965315067.

Adding to 65254443 its reverse (34445256), we get a palindrome (99699699).

The spelling of 65254443 in words is "sixty-five million, two hundred fifty-four thousand, four hundred forty-three".