65392 has 20 divisors (see below), whose sum is σ = 130696. Its totient is φ = 31680.

The previous prime is 65381. The next prime is 65393. The reversal of 65392 is 29356.

It is a super-2 number, since 2×65392² = 8552227328, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943 + ... + 1009.

2⁶⁵³⁹² is an apocalyptic number.

It is an amenable number.

65392 is a deficient number, since it is larger than the sum of its proper divisors (65304).

65392 is a wasteful number, since it uses less digits than its factorization.

65392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 65392 is about 255.7185953348. The cubic root of 65392 is about 40.2879225426.

The spelling of 65392 in words is "sixty-five thousand, three hundred ninety-two".