65030005 has 4 divisors (see below), whose sum is σ = 78036012. Its totient is φ = 52024000.

The previous prime is 65029997. The next prime is 65030011. The reversal of 65030005 is 50003056.

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 16016004 + 49014001 = 4002^2 + 7001^2 .

It is not a de Polignac number, because 65030005 - 2³ = 65029997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6502996 + ... + 6503005.

It is an arithmetic number, because the mean of its divisors is an integer number (19509003).

Almost surely, 2^65030005 is an apocalyptic number.

It is an amenable number.

65030005 is a deficient number, since it is larger than the sum of its proper divisors (13006007).

65030005 is a wasteful number, since it uses less digits than its factorization.

65030005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13006006.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 65030005 is about 8064.1183647067. The cubic root of 65030005 is about 402.1344339706.

The spelling of 65030005 in words is "sixty-five million, thirty thousand, five".