65236541 has 4 divisors (see below), whose sum is σ = 66062400. Its totient is φ = 64410684.

The previous prime is 65236537. The next prime is 65236553. The reversal of 65236541 is 14563256.

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 65236541 - 2² = 65236537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65236498 and 65236507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65266541) 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, 412811 + ... + 412968.

It is an arithmetic number, because the mean of its divisors is an integer number (16515600).

Almost surely, 2^65236541 is an apocalyptic number.

It is an amenable number.

65236541 is a deficient number, since it is larger than the sum of its proper divisors (825859).

65236541 is an equidigital number, since it uses as much as digits as its factorization.

65236541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825858.

The product of its digits is 21600, while the sum is 32.

The square root of 65236541 is about 8076.9140765518. The cubic root of 65236541 is about 402.5597118310.

Adding to 65236541 its reverse (14563256), we get a palindrome (79799797).

The spelling of 65236541 in words is "sixty-five million, two hundred thirty-six thousand, five hundred forty-one".