65504461 has 4 divisors (see below), whose sum is σ = 71459424. Its totient is φ = 59549500.

The previous prime is 65504407. The next prime is 65504477. The reversal of 65504461 is 16440556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65504461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65504861) 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, 2977465 + ... + 2977486.

It is an arithmetic number, because the mean of its divisors is an integer number (17864856).

Almost surely, 2^65504461 is an apocalyptic number.

It is an amenable number.

65504461 is a deficient number, since it is larger than the sum of its proper divisors (5954963).

65504461 is a wasteful number, since it uses less digits than its factorization.

65504461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954962.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 65504461 is about 8093.4826249273. The cubic root of 65504461 is about 403.1100500515.

It can be divided in two parts, 6550 and 4461, that added together give a palindrome (11011).

The spelling of 65504461 in words is "sixty-five million, five hundred four thousand, four hundred sixty-one".