65338263 has 18 divisors (see below), whose sum is σ = 97015464. Its totient is φ = 42373584.

The previous prime is 65338261. The next prime is 65338271. The reversal of 65338263 is 36283356.

It is a happy number.

65338263 is a `hidden beast` number, since 65 + 338 + 263 = 666.

It is not a de Polignac number, because 65338263 - 2¹ = 65338261 is a prime.

It is a super-2 number, since 2×65338263² = 8538177223714338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65338261) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9670 + ... + 14972.

It is an arithmetic number, because the mean of its divisors is an integer number (5389748).

Almost surely, 2^65338263 is an apocalyptic number.

65338263 is a deficient number, since it is larger than the sum of its proper divisors (31677201).

65338263 is a wasteful number, since it uses less digits than its factorization.

65338263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383 (or 5343 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 65338263 is about 8083.2087069431. The cubic root of 65338263 is about 402.7688375401.

The spelling of 65338263 in words is "sixty-five million, three hundred thirty-eight thousand, two hundred sixty-three".