65531135 has 4 divisors (see below), whose sum is σ = 78637368. Its totient is φ = 52424904.

The previous prime is 65531119. The next prime is 65531143. The reversal of 65531135 is 53113556.

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 65531135 - 2⁴ = 65531119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65531098 and 65531107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6553109 + ... + 6553118.

It is an arithmetic number, because the mean of its divisors is an integer number (19659342).

Almost surely, 2^65531135 is an apocalyptic number.

65531135 is a deficient number, since it is larger than the sum of its proper divisors (13106233).

65531135 is a wasteful number, since it uses less digits than its factorization.

65531135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13106232.

The product of its digits is 6750, while the sum is 29.

The square root of 65531135 is about 8095.1303263135. The cubic root of 65531135 is about 403.1647592939.

The spelling of 65531135 in words is "sixty-five million, five hundred thirty-one thousand, one hundred thirty-five".