65303969 has 16 divisors (see below), whose sum is σ = 74217600. Its totient is φ = 57125376.

The previous prime is 65303963. The next prime is 65303981. The reversal of 65303969 is 96930356.

It is a de Polignac number, because none of the positive numbers 2^k-65303969 is a prime.

It is a super-2 number, since 2×65303969² = 8529216734305922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65303963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10097 + ... + 15249.

It is an arithmetic number, because the mean of its divisors is an integer number (4638600).

Almost surely, 2^65303969 is an apocalyptic number.

It is an amenable number.

65303969 is a deficient number, since it is larger than the sum of its proper divisors (8913631).

65303969 is a wasteful number, since it uses less digits than its factorization.

65303969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 131220, while the sum is 41.

The square root of 65303969 is about 8081.0871174614. The cubic root of 65303969 is about 402.6983583079.

The spelling of 65303969 in words is "sixty-five million, three hundred three thousand, nine hundred sixty-nine".