65834131 has 4 divisors (see below), whose sum is σ = 71819064. Its totient is φ = 59849200.

The previous prime is 65834129. The next prime is 65834143. The reversal of 65834131 is 13143856.

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 65834131 - 2¹ = 65834129 is a prime.

It is a super-2 number, since 2×65834131² = 8668265609050322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65834093 and 65834102.

It is not an unprimeable number, because it can be changed into a prime (65838131) 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, 2992450 + ... + 2992471.

It is an arithmetic number, because the mean of its divisors is an integer number (17954766).

Almost surely, 2^65834131 is an apocalyptic number.

65834131 is a deficient number, since it is larger than the sum of its proper divisors (5984933).

65834131 is a wasteful number, since it uses less digits than its factorization.

65834131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984932.

The product of its digits is 8640, while the sum is 31.

The square root of 65834131 is about 8113.8234513699. The cubic root of 65834131 is about 403.7851744030.

Adding to 65834131 its reverse (13143856), we get a palindrome (78977987).

The spelling of 65834131 in words is "sixty-five million, eight hundred thirty-four thousand, one hundred thirty-one".