65835193 has 4 divisors (see below), whose sum is σ = 67366288. Its totient is φ = 64304100.

The previous prime is 65835167. The next prime is 65835199. The reversal of 65835193 is 39153856.

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 65835193 - 2²¹ = 63738041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65835199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765483 + ... + 765568.

It is an arithmetic number, because the mean of its divisors is an integer number (16841572).

Almost surely, 2^65835193 is an apocalyptic number.

It is an amenable number.

65835193 is a deficient number, since it is larger than the sum of its proper divisors (1531095).

65835193 is a wasteful number, since it uses less digits than its factorization.

65835193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531094.

The product of its digits is 97200, while the sum is 40.

The square root of 65835193 is about 8113.8888949751. Note that the first 4 decimals coincide. The cubic root of 65835193 is about 403.7873456048.

The spelling of 65835193 in words is "sixty-five million, eight hundred thirty-five thousand, one hundred ninety-three".