65155441 has 8 divisors (see below), whose sum is σ = 74295144. Its totient is φ = 56605440.

The previous prime is 65155399. The next prime is 65155457. The reversal of 65155441 is 14455156.

65155441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10336225 + 54819216 = 3215^2 + 7404^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65155441 - 2¹¹ = 65153393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65155841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147190 + ... + 147631.

It is an arithmetic number, because the mean of its divisors is an integer number (9286893).

Almost surely, 2^65155441 is an apocalyptic number.

It is an amenable number.

65155441 is a deficient number, since it is larger than the sum of its proper divisors (9139703).

65155441 is a wasteful number, since it uses less digits than its factorization.

65155441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294851.

The product of its digits is 12000, while the sum is 31.

The square root of 65155441 is about 8071.8920334702. The cubic root of 65155441 is about 402.3928261648.

The spelling of 65155441 in words is "sixty-five million, one hundred fifty-five thousand, four hundred forty-one".