65303005 has 4 divisors (see below), whose sum is σ = 78363612. Its totient is φ = 52242400.

The previous prime is 65302999. The next prime is 65303087. The reversal of 65303005 is 50030356.

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 7634169 + 57668836 = 2763^2 + 7594^2 .

It is not a de Polignac number, because 65303005 - 2⁹ = 65302493 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 6530296 + ... + 6530305.

It is an arithmetic number, because the mean of its divisors is an integer number (19590903).

Almost surely, 2^65303005 is an apocalyptic number.

It is an amenable number.

65303005 is a deficient number, since it is larger than the sum of its proper divisors (13060607).

65303005 is a wasteful number, since it uses less digits than its factorization.

65303005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060606.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 65303005 is about 8081.0274718008. The cubic root of 65303005 is about 402.6963767891.

The spelling of 65303005 in words is "sixty-five million, three hundred three thousand, five".