65136601 has 4 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 64954804.

The previous prime is 65136583. The next prime is 65136641. The reversal of 65136601 is 10663156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65136601 - 2⁷ = 65136473 is a prime.

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 65136601.

It is not an unprimeable number, because it can be changed into a prime (65136641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90361 + ... + 91078.

It is an arithmetic number, because the mean of its divisors is an integer number (16329600).

Almost surely, 2^65136601 is an apocalyptic number.

It is an amenable number.

65136601 is a deficient number, since it is larger than the sum of its proper divisors (181799).

65136601 is a wasteful number, since it uses less digits than its factorization.

65136601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181798.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 65136601 is about 8070.7249364602. The cubic root of 65136601 is about 402.3540378378.

Adding to 65136601 its reverse (10663156), we get a palindrome (75799757).

The spelling of 65136601 in words is "sixty-five million, one hundred thirty-six thousand, six hundred one".