65505135 has 16 divisors (see below), whose sum is σ = 105283584. Its totient is φ = 34777632.

The previous prime is 65505119. The next prime is 65505149. The reversal of 65505135 is 53150556.

It is not a de Polignac number, because 65505135 - 2⁴ = 65505119 is a prime.

It is a super-2 number, since 2×65505135² = 8581845422736450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6447 + ... + 13136.

It is an arithmetic number, because the mean of its divisors is an integer number (6580224).

Almost surely, 2^65505135 is an apocalyptic number.

65505135 is a deficient number, since it is larger than the sum of its proper divisors (39778449).

65505135 is a wasteful number, since it uses less digits than its factorization.

65505135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19814.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 65505135 is about 8093.5242632613. The cubic root of 65505135 is about 403.1114326303. Note that the first 3 decimals are identical.

The spelling of 65505135 in words is "sixty-five million, five hundred five thousand, one hundred thirty-five".