65491303 has 2 divisors, whose sum is σ = 65491304. Its totient is φ = 65491302.

The previous prime is 65491291. The next prime is 65491319. The reversal of 65491303 is 30319456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65491303 - 2²⁵ = 31936871 is a prime.

It is a super-2 number, since 2×65491303² = 8578221537275618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65491333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32745651 + 32745652.

It is an arithmetic number, because the mean of its divisors is an integer number (32745652).

Almost surely, 2^65491303 is an apocalyptic number.

65491303 is a deficient number, since it is larger than the sum of its proper divisors (1).

65491303 is an equidigital number, since it uses as much as digits as its factorization.

65491303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 65491303 is about 8092.6697078282. The cubic root of 65491303 is about 403.0830570949.

The spelling of 65491303 in words is "sixty-five million, four hundred ninety-one thousand, three hundred three".