65501015 has 8 divisors (see below), whose sum is σ = 79297488. Its totient is φ = 51936640.

The previous prime is 65500993. The next prime is 65501021. The reversal of 65501015 is 51010556.

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

It is not a de Polignac number, because 65501015 - 2¹⁰ = 65499991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57401 + ... + 58530.

It is an arithmetic number, because the mean of its divisors is an integer number (9912186).

Almost surely, 2^65501015 is an apocalyptic number.

65501015 is a deficient number, since it is larger than the sum of its proper divisors (13796473).

65501015 is a wasteful number, since it uses less digits than its factorization.

65501015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116049.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 65501015 is about 8093.2697347858. The cubic root of 65501015 is about 403.1029811101.

The spelling of 65501015 in words is "sixty-five million, five hundred one thousand, fifteen".