65501441 has 8 divisors (see below), whose sum is σ = 66632544. Its totient is φ = 64380160.

The previous prime is 65501437. The next prime is 65501453. The reversal of 65501441 is 14410556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65501441 - 2² = 65501437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65501441.

It is not an unprimeable number, because it can be changed into a prime (65500441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11681 + ... + 16353.

It is an arithmetic number, because the mean of its divisors is an integer number (8329068).

Almost surely, 2^65501441 is an apocalyptic number.

65501441 is the 4673-rd octagonal number.

It is an amenable number.

65501441 is a deficient number, since it is larger than the sum of its proper divisors (1131103).

65501441 is a wasteful number, since it uses less digits than its factorization.

65501441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 65501441 is about 8093.2960529070. The cubic root of 65501441 is about 403.1038549973.

Adding to 65501441 its reverse (14410556), we get a palindrome (79911997).

The spelling of 65501441 in words is "sixty-five million, five hundred one thousand, four hundred forty-one".