65244441 has 16 divisors (see below), whose sum is σ = 89557760. Its totient is φ = 42232320.

The previous prime is 65244409. The next prime is 65244451. The reversal of 65244441 is 14444256.

It is a happy number.

It is not a de Polignac number, because 65244441 - 2⁵ = 65244409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65244399 and 65244408.

It is not an unprimeable number, because it can be changed into a prime (65244401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12201 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (5597360).

Almost surely, 2^65244441 is an apocalyptic number.

65244441 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65244441 is a deficient number, since it is larger than the sum of its proper divisors (24313319).

65244441 is a wasteful number, since it uses less digits than its factorization.

65244441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its digits is 15360, while the sum is 30.

The square root of 65244441 is about 8077.4031099110. The cubic root of 65244441 is about 402.5759608703.

Adding to 65244441 its reverse (14444256), we get a palindrome (79688697).

The spelling of 65244441 in words is "sixty-five million, two hundred forty-four thousand, four hundred forty-one".