65319441 has 16 divisors (see below), whose sum is σ = 95194560. Its totient is φ = 39510720.

The previous prime is 65319433. The next prime is 65319523. The reversal of 65319441 is 14491356.

It is not a de Polignac number, because 65319441 - 2³ = 65319433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65319341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18615 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (5949660).

Almost surely, 2^65319441 is an apocalyptic number.

It is an amenable number.

65319441 is a deficient number, since it is larger than the sum of its proper divisors (29875119).

65319441 is a wasteful number, since it uses less digits than its factorization.

65319441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856.

The product of its digits is 12960, while the sum is 33.

The square root of 65319441 is about 8082.0443577105. The cubic root of 65319441 is about 402.7301586059.

The spelling of 65319441 in words is "sixty-five million, three hundred nineteen thousand, four hundred forty-one".