65520303 has 32 divisors (see below), whose sum is σ = 96599040. Its totient is φ = 39346560.

The previous prime is 65520293. The next prime is 65520317. The reversal of 65520303 is 30302556.

It is not a de Polignac number, because 65520303 - 2⁵ = 65520271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65520373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98793 + ... + 99453.

It is an arithmetic number, because the mean of its divisors is an integer number (3018720).

Almost surely, 2^65520303 is an apocalyptic number.

65520303 is a deficient number, since it is larger than the sum of its proper divisors (31078737).

65520303 is a wasteful number, since it uses less digits than its factorization.

65520303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 65520303 is about 8094.4612544628. The cubic root of 65520303 is about 403.1425442998.

Adding to 65520303 its reverse (30302556), we get a palindrome (95822859).

The spelling of 65520303 in words is "sixty-five million, five hundred twenty thousand, three hundred three".