65520463 has 8 divisors (see below), whose sum is σ = 66557088. Its totient is φ = 64491744.

The previous prime is 65520461. The next prime is 65520473. The reversal of 65520463 is 36402556.

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 65520463 - 2¹ = 65520461 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 (65520461) 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 7 ways as a sum of consecutive naturals, for example, 15981 + ... + 19657.

It is an arithmetic number, because the mean of its divisors is an integer number (8319636).

Almost surely, 2^65520463 is an apocalyptic number.

65520463 is a deficient number, since it is larger than the sum of its proper divisors (1036625).

65520463 is a wasteful number, since it uses less digits than its factorization.

65520463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 65520463 is about 8094.4711377582. The cubic root of 65520463 is about 403.1428724564.

The spelling of 65520463 in words is "sixty-five million, five hundred twenty thousand, four hundred sixty-three".