65612141 has 8 divisors (see below), whose sum is σ = 76581120. Its totient is φ = 55042128.

The previous prime is 65612117. The next prime is 65612147. The reversal of 65612141 is 14121656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65612141 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65612141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65612147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99386 + ... + 100043.

It is an arithmetic number, because the mean of its divisors is an integer number (9572640).

Almost surely, 2^65612141 is an apocalyptic number.

It is an amenable number.

65612141 is a deficient number, since it is larger than the sum of its proper divisors (10968979).

65612141 is a wasteful number, since it uses less digits than its factorization.

65612141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199483.

The product of its digits is 1440, while the sum is 26.

The square root of 65612141 is about 8100.1321594157. The cubic root of 65612141 is about 403.3308142881.

Adding to 65612141 its reverse (14121656), we get a palindrome (79733797).

The spelling of 65612141 in words is "sixty-five million, six hundred twelve thousand, one hundred forty-one".