65193641 has 8 divisors (see below), whose sum is σ = 65869440. Its totient is φ = 64521072.

The previous prime is 65193637. The next prime is 65193647. The reversal of 65193641 is 14639156.

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 65193641 - 2² = 65193637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65193647) 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, 63851 + ... + 64863.

It is an arithmetic number, because the mean of its divisors is an integer number (8233680).

Almost surely, 2^65193641 is an apocalyptic number.

It is an amenable number.

65193641 is a deficient number, since it is larger than the sum of its proper divisors (675799).

65193641 is a wasteful number, since it uses less digits than its factorization.

65193641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its digits is 19440, while the sum is 35.

The square root of 65193641 is about 8074.2579225586. The cubic root of 65193641 is about 402.4714504653.

The spelling of 65193641 in words is "sixty-five million, one hundred ninety-three thousand, six hundred forty-one".