65151005 has 4 divisors (see below), whose sum is σ = 78181212. Its totient is φ = 52120800.

The previous prime is 65150983. The next prime is 65151017. The reversal of 65151005 is 50015156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19412836 + 45738169 = 4406^2 + 6763^2 .

It is a de Polignac number, because none of the positive numbers 2^k-65151005 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6515096 + ... + 6515105.

It is an arithmetic number, because the mean of its divisors is an integer number (19545303).

Almost surely, 2^65151005 is an apocalyptic number.

It is an amenable number.

65151005 is a deficient number, since it is larger than the sum of its proper divisors (13030207).

65151005 is a wasteful number, since it uses less digits than its factorization.

65151005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030206.

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

The square root of 65151005 is about 8071.6172481108. The cubic root of 65151005 is about 402.3836938751.

The spelling of 65151005 in words is "sixty-five million, one hundred fifty-one thousand, five".