65503361 has 16 divisors (see below), whose sum is σ = 81865728. Its totient is φ = 50917200.

The previous prime is 65503349. The next prime is 65503381. The reversal of 65503361 is 16330556.

It is a cyclic number.

It is not a de Polignac number, because 65503361 - 2⁶ = 65503297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65503331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42596 + ... + 44106.

It is an arithmetic number, because the mean of its divisors is an integer number (5116608).

Almost surely, 2^65503361 is an apocalyptic number.

It is an amenable number.

65503361 is a deficient number, since it is larger than the sum of its proper divisors (16362367).

65503361 is a wasteful number, since it uses less digits than its factorization.

65503361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 65503361 is about 8093.4146687291. The cubic root of 65503361 is about 403.1077935969.

The spelling of 65503361 in words is "sixty-five million, five hundred three thousand, three hundred sixty-one".