65016263 has 4 divisors (see below), whose sum is σ = 70017528. Its totient is φ = 60015000.

The previous prime is 65016241. The next prime is 65016317. The reversal of 65016263 is 36261056.

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

It is a cyclic number.

It is not a de Polignac number, because 65016263 - 2¹⁰ = 65015239 is a prime.

It is a super-2 number, since 2×65016263² = 8454228908970338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65016163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500613 + ... + 2500638.

It is an arithmetic number, because the mean of its divisors is an integer number (17504382).

Almost surely, 2^65016263 is an apocalyptic number.

65016263 is a deficient number, since it is larger than the sum of its proper divisors (5001265).

65016263 is a wasteful number, since it uses less digits than its factorization.

65016263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001264.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 65016263 is about 8063.2662736635. The cubic root of 65016263 is about 402.1061059155.

The spelling of 65016263 in words is "sixty-five million, sixteen thousand, two hundred sixty-three".