65832481 has 16 divisors (see below), whose sum is σ = 78619968. Its totient is φ = 54331200.

The previous prime is 65832469. The next prime is 65832491. The reversal of 65832481 is 18423856.

It is a happy number.

It is not a de Polignac number, because 65832481 - 2⁷ = 65832353 is a prime.

It is a super-2 number, since 2×65832481² = 8667831109230722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65832481.

It is not an unprimeable number, because it can be changed into a prime (65832401) 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, 4950 + ... + 12496.

It is an arithmetic number, because the mean of its divisors is an integer number (4913748).

Almost surely, 2^65832481 is an apocalyptic number.

65832481 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65832481 is a deficient number, since it is larger than the sum of its proper divisors (12787487).

65832481 is a wasteful number, since it uses less digits than its factorization.

65832481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632.

The product of its digits is 46080, while the sum is 37.

The square root of 65832481 is about 8113.7217724051. The cubic root of 65832481 is about 403.7818010205.

The spelling of 65832481 in words is "sixty-five million, eight hundred thirty-two thousand, four hundred eighty-one".