65850493 has 4 divisors (see below), whose sum is σ = 66181600. Its totient is φ = 65519388.

The previous prime is 65850467. The next prime is 65850509. The reversal of 65850493 is 39405856.

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 65850493 - 2⁵ = 65850461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65850413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165255 + ... + 165652.

It is an arithmetic number, because the mean of its divisors is an integer number (16545400).

Almost surely, 2^65850493 is an apocalyptic number.

It is an amenable number.

65850493 is a deficient number, since it is larger than the sum of its proper divisors (331107).

65850493 is a wasteful number, since it uses less digits than its factorization.

65850493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331106.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 65850493 is about 8114.8316680015. The cubic root of 65850493 is about 403.8186230396.

The spelling of 65850493 in words is "sixty-five million, eight hundred fifty thousand, four hundred ninety-three".